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Showing posts with label History. Show all posts
Showing posts with label History. Show all posts

Oct 5, 2009

Trout Species - Cutthroat Trout and Golden Trout

Cutthroat Trout: Cutthroat Trout are generally found only in high alpine lakes or in some selected areas of the Pacific Northwest.

The Cutthroat Trout is the original trout of the Rocky Mountains. Unlike Brown Trout which were originally introduced to the Eastern United States, Cutthroat Trout are originally from the
Western half of the United States.

What separates the Cutthroat Trout from other trout is that Cutthroat Trout are found primarily in remote and pristine locations. Unlike their larger cousins, the rainbows and the
browns, Cutthroat Trout tend to fare poorly in highly competitive environments – especially when predatory fish like Pike are introduced into their waters. As such, the range of the Cutthroat Trout has been driven back over the years.

While Cutthroat Trout are still found in good numbers in many of the rivers in Montana (such as the Yellowstone), the best Cutthroat Trout fishing will usually now be found deep in the backcountry - in isolated mountain lakes and streams. This requires lots of effort by the angler just to reach the Cutthroat Trout, because they are often found in very remote areas. Cutthroat Trout do not receive as much fly fishing pressure as their rainbow and Brown Trout cousins. As such, they are generally easier to catch and found in greater numbers. However, Cutthroat Trout do not get as large as rainbow or Brown Trout, and generally lack the aerial abilities that other trout display when hooked.

Cutthroat Trout can be easily identified by the two red slashes under and on the outside of its lower jaw. The sides of the Cutthroat Trout are brownish yellow and are highlighted with black spots. Other colorings of Cutthroat Trout can occur, but only as a result of crossbreeding between Rainbow Trout and Brown Trout, and are called cut-bow trout.

Golden Trout: Rare and elusive, the Golden Trout inhabit some of
the most remote lakes in the United States.

The Golden Trout is one elusive species of trout. Golden Trout have very limited range, as they are only found in high alpine lakes and streams found in the Rocky Mountains and the Cascades. Because of this, reaching good Golden Trout waters is no easy task – usually requiring a long hike or horse pack in.

Additionally, due to the environment in which the Golden Trout live in (very cold, low nutrient water), Golden Trout are generally quite small, as there is just not enough food to support larger trout.

Despite the relatively low fishing pressure they receive, Golden Trout can be somewhat difficult to catch, as they tend to be fickle about what they eat. Moreover, not all high alpine lakes and rivers contain these trout – so simply locating waters that have good Golden Trout populations can be an effort in and of itself.

That said, since Golden Trout live in the most beautiful scenery in the United States, a day spent looking for or fishing for Golden Trout can never be wasted – even if you don’t catch any. For an angler looking to catch trout in a splendid and scenic environment, chasing the Golden Trout is the way go.

It’s hard to miss a Golden Trout, as their name conveys. These beautiful trout are golden in color, so are hard to mistake for other types of fish. The Golden Trout also has a scattering of
black spots and a red striping along its lateral line, belly and gill plates.

Since Golden Trout are not very common, it is recommended that anglers who catch Golden Trout release them instead of eating them. If you’re looking for a fish you can eat, go hook some Brook Trout instead. Brookies are usually found in the same waters as Golden Trout are, but are not nearly as rare. Most agree they taste better too!

Sep 28, 2009

Mahseer, Stracheyi

Common Name Mahseer, Stracheyi
Local Name Pla Puang
Scientific Name Neolissochilus stracheyi
Family Cyprinidae - Minnows or carps
Max. Size 60.0 cm SL.
Current IGFA
World Record
2.13 kg / Jean-Francois Helias, Thailand
Jan. 10, 2009, Kanchanaburi, Thailand
Fishing Season All Year Long

Sep 27, 2009

Angling in Himachal Pradesh


Angling is a fast developing sport in India, and the northern state of Himachal Pradesh at the foothills of the Himalayas, is fast emerging as the prime angling destination in the country.

Angling is a form of fishing which is often used synonymously with terms like ‘sport fishing’ and ‘recreational fishing’. Angling in Himachal Pradesh can be nothing short of superb!

The streams of Himachal Pradesh can be categorized as General-Water streams and Trout-Water streams. The main fishes that are available in these streams include Trout and Mahseer, besides some other varieties like Nemacheilus spp, Barilus sp, Schizothoracids Crossocheilus sp, Glyptothorax spp. Etc.

Angling in Himachal Pradesh

One of the major activities, which is favorite among the visitors, is the angling in Himachal Pradesh. Over the years, angling has become a fast developing sport in India, particularly in the northern states of India. Himachal Pradesh is one of the prime angling destinations in India. It is basically a kind of fishing, more of a recreational fishing or sport fishing.

There are numerous small streams and lake that provide superb venue for angling in Himachal Pradesh. These streams can be categorized under General-Water streams and Trout-Water streams, based on the types of fishes found on the stream. The various types of fishes, which are available on the streams for angling, include trout, mahseer, nemacheilus, barilus, schizothoracids crossocheilus and glyptothorax. Brown and Rainblw trouts are the major fishes on the streams.

The state of Himachal Pradesh with numerous streams is a paradise for the anglers.

The streams of Himachal Pradesh teem with numerous fishes, which make it ideal for the anglers to try out their favorite sport. There are various resorts in Himachal Pradesh, which are ideally suitable for angling. The strategic spots for angling, Himachal Pradesh are Rohru, Chirgaon, Tattapani, Katrain, Largi, Banjar and Kasol for trout fishing. For the angling of Mahasheer, the favorite spots are Dehra, Nadaun, Pong Dam and Barot.

For a remarkable and memorable angling experience, you can reach up to the upper streams of Beas and Kullu Valley. Sarvari, Parbati, Sainj, Hurla and Tirthan offers excellent prospect for the angling lovers. There are reservoirs, which offer opportunities for angling in Himachal Pradesh. The major streams of the Himachal Pradesh state , which offers several angling opportunities are Beas, Sutlej, Ravi, Tirthan, Sainj, Uhl, Baspa, Pabar, Lambadug, Giri, Rana, Nugal Gai, Baner and Bata.

For angling in Himachal Pradesh, you need to pay a nominal amount. The best season for trout angling is between 31 March to 31 October. If you are in to Mahaseer angling, the best time for it are January, February, March, April, September, October, November and December.

You will definitely enjoy angling in Himachal Pradesh as there are numerous options for it. Next time, when you visit Himachal Pradesh make sure to try out angling in the streams. Other then angling, you can have various other things to do in Himachal Pradesh.

Sep 25, 2009

Tor khudree, Deccan mahseer

Tor khudree (Sykes, 1839)
Family: Cyprinidae
Order: Cypriniformes
MAX Size: > 100 cm
IGFA World Record: None

Matt Clarke looks at the Deccan mahseer, Tor khudree, a giant barb that can reach a metre in length and weigh as much as a small person.

Description :Body elongate, its depth equal to length of head. Eyes small, visible from underside of head. Mouth moderate; lips fleshy, the lower lip produced into a median lobe of varying length. Barbels - two equal pairs, slightly shorter than eye diameter in adults, equal to it in juveniles. Pectoral fins short. Scales large. Lateral sides of snout covered with a patch of small indistinct tubercles. Silvery background with the back and sides above the lateral line dark-bluish, flanks below the lateral line pale golden-yellow; the belly bluish-gray; head dark olive above and creamy yellowish-white below; bases of scales gray with their margins reddish-gray; eyes red. Fins bluish-gray, often tipped with yellowish pink.

Sep 20, 2009

Artificial propagation of two indigenous mahseer species in Sarawak, Malaysia


The Project, 'Artificial propagation of empurau, Tor tambroides and semah, Tor douronensis, two species of commercial and conservation value to Sarawak, Malaysia', commenced in April 2001, and was successfully carried out over a four-year period. The Project accomplished the primary objectives. The most outstanding achievements were the success in the captive breeding of the semah and empurau, and the training of the Malaysian officers in adopting the techniques, as a routine, and the successes in the larval to fingerling rearing of the two species.

Although the captive breeding of these two valuable species have been achieved, as a first and an important step, there are many other research & development issues that have to be addressed, and tangible results obtained, prior to:

  • Commercialisation, and long-term sustainability, of the culture of these two valuable species.
  • Utilisation of captive-bred juveniles for replenishing the much-depleted wild stocks to ensure long-term conservation needs.
Stripping eggs from mahseer

In the above regard that it is proposed that the R&D activities on semah and empurau be further carried out, enabling the Government of Sarawak to popularise the aquaculture of these most invaluable species to the State of Sarawak. Also, it is equally importantly to enable the State to adopt a scientifically based, enhancement program of the already depleted wild stocks thereby ensuring the long-term conservation of the gene pools of the two species.

A consolidated R&D program on captive-breeding, associated with successful culture of the two species, combined with a conservation strategy through enhancement of the wild stocks, will be the first instance in Asia, for that matter in the world, where a such a combined strategy has been adopted with regard to indigenous species. A program that would shed light to other nations in the region, and indeed to the world, that aquaculture development could go hand in hand with conservation of biodiversity.

Sep 18, 2009

Basunti - fresh water game fish in India

Angling opportunities at Basunti are unparalleled. Overlooking Maharana Pratap Sagar, a vast 40 km long manmade wetland it provides almost all the year round opportunities to fish for the mighty Golden Mahseer, one of India's most celebrated freshwater game fish.

3.4 kg Golden Mahseer caught using a Silver Mepps Aglia

The mahseer at Pong Dam are canny but always good fun with catches of 2kg-5kg common and 8kg-10kg caught from time to time with the largest fish recorded locally in recent years at 14kg.

Besides mahseer, other fish caught at Pong Dam - as Maharana Pratap Sagar is also known - include malhi, soal, carp, shovell-headed catfish, bachwa, snakefish and singara. A total of 27 fish species belonging to five families have been recorded in the lake and the triubutaries of the Beas river, which feed it. The area also provides direct employment to about 1,500 local fishermen.

With Basunti's own shikari, who has fished these waters for the last 20 years, guests can fish from the shore, take boat trips to Ranseer island or go upstream to several chosen marks known to the locals. Early morning and late afternoon to dusk make the best times to fish. The mahseer hunt chilwa (baitfish) just under the surface but will hook on spinners much of the time. However when all else fails fresh livebait, caught by our shikari, does the job.

With distant views of the Himalayan foothills, the area is an angler's paradise and besides the fishing on Basunti's doortsep some of the finest trout streams in India - abounding in both brown and rainbow trout - are within a day's reach.

Angling rules are liberal and the fee for the licence, which we obtain on guest's behalf, is nominal.

Sep 17, 2009

Mahseer is a potential aquaculture

Mahseer is distributed in India, Bangladesh, Nepal, Pakistan, Srilanka, Afghanistan, and Burma. It inhabits different rivers throughout the length & breadth of India.

Different species occupy different ecosystems ranging from tropical waters (35°C) to sub-Himalayan regions (6°C). Occur in streams hardly above sea level & 2000 m above sea level. T. putitora is commonly distributed at an altitude from 70-1891 m and Tor tor from 135-1891 m. Occurrence and distribution is controlled by water temperature. The seven species seen in India are:

  • Tor putitora (Golden mahseer), Tor tor (Tor mahseer)

  • Tor khudree (Deccan mahseer)

  • Tor mussullah (Humpback mahseer)

  • Tor kulkarnii (Dwarf mahseer)

  • Tor progeneius (Assamese mahseer)

  • Tor mosal (Copper mahseer).

HABITS:

Mahseer is a freshwater fish and it inhabits hill streams and fast flowing rivers. It is omnivorous, opportunistic feeder and feeds on green filamentous algae, aquatic insects, small fish, weeds and mollusks. Feed choice changes with age and size. Hatchlings have higher inclination towards planktonic food and fingerlings and growers prefer animal origin food. Mahseer migrate upstream, from the main river into the rivulets mainly during the southwest monsoon (July through September) for the purpose of spawning, this is when they ascend to substantial heights up to 2500 ft. Migration process is due to the reproductive biology of the fish and also in search of fresh feeding grounds.

SPAWNING:

Most of female mahseer mature above 390 mm in length and spawn from May to September. Breeding season of most mahseer species extends from July to September with a peak in July – August.

Most mahseer species are known to have very similar spawning behavior and breeding habits. Natural spawning habitats usually comprise the marginal lake areas. In addition to well-oxygenated water, water temperature from 21°C to 26°C proves to be effective for final maturation of eggs. The average fecundity is about 3100 eggs/kg body weight of the female. The fertilized eggs are demersal, lemon yellow or brownish golden in color and measure 2.8 to 3.2 mm in diameter.

GROWTH:

Hatching time depends upon the water temperature and takes 60-96 hours at 20-28°C and more than 96 hrs at temperatures less than 20°C. Reliable method to obtain fry and fingerlings is to grow mahseer juveniles in ponds and breed the adults using hormones. Intramuscular administration of ovaprim @ 0.20 ml/kg bw is given to the females.

Stripping is done 12 hours after administrating the second dose pituitary extract to female, the male requiring only one dose. For artificial fertilization, eggs are mixed with milt by dry method. Fertilization rate is 70-80% and hatching rate is 60-65%. The early hatchlings of mahseer are golden yellow and pass through a semi-quiescent stage during which they remain huddled in corners and crevices with their heads tucked away from light. In this condition, they are exposed to heavy predation. This lasts for about six days and forms the most critical period of its early life cycle. Mahseer growth response increase with increasing water temperature and it grows well in warmer place than in colder place. Mahseer can attain sizes upto 5.5 ft and weigh over 50 kgs.

USES:

Mahseer is a highly valued indigenous species. It is an outstanding game & food fish. As a sport fish, it provides unparalleled recreation to anglers from all over the world. It supports a substantial natural fishery in the major riverine ecosystems of India. Mahseer is a highly esteemed food fish & fetches high market price in north & northeast India. It is a potential species for aquaculture and there is an increasing interest for aquarium trade

CULTURE:

Mahseer is a potential aquaculture species. The old practice has been to rear wild mahseer in captivity. Brood fish grown in captivity can produce the required quantity of seed. Mahseer is suitable for both composite fish culture and monoculture. Hatchlings, fry, fingerlings and growers of mahseer accept pelleted feed and is capable of efficient utilization. Based on growth performance and feed utilization a 40% protein content in the feed is optimal. Mahseer grown on pelletized feed develops into excellent broodstock for induced breeding. Commercial culture is possible in warmer areas. In most cases, mahseer fry are raised to fingerlings and stocked in reservoirs and rivers.

Rearing of fry and fingerlings of mahseer were undertaken in cages in reservoirs. This would enable production of stocking material in reservoir without additional land space. In experimental cage culture carried out at Walwan reservoir, Mahseer stocked in nylon cages at a depth of 2 m. After 150 days of culture, average weight of Tor khudree was 35-106 g and that of Tor putitora was 15- 52 g. Survival rate was 98%. Cage culture with low-cost supplemental feeding is gaining popularity in the country.

Pen and cage culture can be extended to hilly rivers & creeks.

In properly managed ponds, an average weight of 175 g can be reached in 1 year.

Mahseer fingerlings can be reared on pelletized feed made of rice bran, groundnut cake and fishmeal (30:30:40).

Experiments conducted on the culture of khudree have indicated that mahseer fingerlings could be grown to 110-120 g in monocultures at a stocking density of 11000/ha in 8 months.