Probarbus jullieni

Probarbus jullieni
Young fish from Probarbus jullieni
Systematics
without rank: Otophysa Order : Carp-like (Cypriniformes) Subordination : Carp fish-like (Cyprinoidei) Family : Carp fish (Cyprinidae) Genre : Probarbus Type : Probarbus jullieni
Scientific name
Probarbus jullieni
Sauvage , 1880

Probarbus jullieni , engl. Jullien's Golden Carp , Isok Barb, Giant Carp River, Seven-Striped Carp, Cá Sóc Chai in Vietnam, called in Malaysia Carpilla Ikan Ikan is a big carp fish from Indochina .

distribution and habitat

Probarbus jullieni is found in rivers in Thailand , Cambodia , Vietnam , Laos, and Malaysia . Its main distribution area is the Mekong river basin , Mae Nam Mae Klong , Mae Nam Chao Phraya , Sungai Pahang and Sungai Perak . Here comes P. jullieni preferably in the main stream and slowly flowing river sections with sandy or gravelly ground up and can also be the brackish water of the Mekong Delta tolerate.

description

The morphology of the fish species is strongly reminiscent of the strong, elongated body of the barbel. Probarbus jullieni differs from P. labeamajor in that they only develop five instead of six lateral stripes , and the lips are less pronounced. The species has the following fin formula : dorsal 13/13, anal 8. Adult specimens develop more red tones and have a yellow color on the head. In Sri Nakharin reservoir at Kanchanaburi in southern Thailand a 25-kilogram specimen was caught with a fishing rod. The maximum weight is given by fishermen with 70 kilograms and a length of 150 centimeters. In Semantan River in Malaysia began fishing a 52-kilogram fish, the final weight of the fish species in the Mekong is estimated at 100 kilograms.

Way of life

The occurrence of Probarbus jullieni is strongly linked to the occurrence of aquatic mollusks, which are its main food source. They also feed on insects and aquatic plants. In the Mekong it undertakes long migrations during spawning time. It spawns in the winter months from late December to early February, looking for large river valleys with a sand or gravel bed and a water flow speed of at least 1.3 meters / second. At the beginning of the rainy season, juvenile fish migrate in search of prey. The migration trains differ from region to region. The fish by pulling from October to February Kampong Cham in Cambodia to Chiang Khong in Thailand. In the Laotian tributary Nam Ta, fishermen have observed that large numbers of the animals spawn there between March and April. The fish eggs are yellow and about 2 millimeters in diameter. After 32 hours at water temperatures around 23 ° C, the fry hatch.

use

Probarbus jullieni is an edible fish that is sometimes also eaten raw. The fish eggs are also eaten. The fish provides excellent meat, which has become relatively expensive due to its rarity. Uncontrolled overfishing is already seriously threatening the animal population. In Laos, fishing for P. jullieni is already banned. The export of these fish from Indochina is prohibited. Probarbus jullieni is an endangered species of fish. In Thailand one has started to keep Probarbus jullieni in pond farms. Professional fishermen catch it in the Mekong mainly in the months of November to January when it is migrated. Locally, it is one of the economically most important freshwater fish species in Indochina. The fish is very popular with anglers and is mainly caught in Thailand in Kanchanaburi and Sangkhlaburi. Numerous Thai commercial fishing lakes such as the Bung Sam Lan Fishing Park near Bangkok also offer fish woad for particularly large specimens of this fish species. Young fish up to a certain size can also be kept as ornamental fish in the aquarium.

Web links

• large specimen on a local market [1]
• Catches from a Thai fishing resort: [2] , [3]
• Probarbus jullieni inthe IUCN Red List of Threatened Species 2013.2. Posted by: Hogan, Z. & Baird, I., 2011. Retrieved December 18, 2013.

Notes and individual references

1. ↑ ^{a b c d e f g} Probarbus jullieni on Fishbase.org (English)
2. ↑ Archived copy ( memento of the original dated November 2, 2010 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. 
3. ^ Fishing World Records
4. ↑ http://www.mrcmekong.org/programmes/fisheries/mig_probarbus_j.htm
5. ↑ Threatened fishes of the world: Probarbus jullieni Sauvage, 1880 (Cypriniformes: Cyprinidae) from http://link.springer.com/article/10.1007%2Fs10641-008-9418-7
6. ↑ Archived copy ( Memento of the original from December 20, 2010 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. 
7. ↑ Archived copy ( memento of the original from October 13, 2009 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. 
8. ↑ https://www.aqua-fish.net/fish/isok-barb