Hampala sabana | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Cypriniformes |
Family: | Cyprinidae |
Genus: | Hampala |
Species: | H. sabana |
Binomial name | |
Hampala sabana Inger & Chin, 1962 | |
Hampala sabana is a species of cyprinid in the genus Hampala that is native to Malaysia [1]
This species reaches a maximum length of 41.0 centimetres (16.1 in) [1] and has a distinctive single dark band below the dorsal fin [2] similar to that of Barbodes sellifer. Although a second dark mark may develop at the base of the tail as it reaches maturity, with a dark line along the lateral line connecting the two marks. Depending on the habitat, the fins may be a light cream color or a dark orange-red.
Endemic to the Malaysian state of Sabah, it is predominately found in the central-eastern region of the state in which it dominates its range from others of its genus. [3]
The usual habitat of this species comprises clear and well-oxygenated running waters with substrates of sand, gravel, rock, or mud. Such habitats are usually tropical rainforest rivers and stream catchments but due to development these habitats are modified and converted to palm or rubber plantations, they can still survive in these habitats but in much lower abundance, making them rare [4]
As an active predator, it predominately feeds on other fish, frogs, and insects, preferring to inhabit deep and slower river stretches to ambush unsuspecting prey.
It's been observed to school together when young (even with other species like Rasbora sumatrana and Nematabramis everetii ), [5] and this behavior may possibly be continued throughout its life.
In the Segama river system, it has been found to live sympatricly with other species such as Luciosoma pellegrini , Nematabramis everetti , Garra borneensis , Gastromyzon lepidogaster , Mystus sabanus , and Pangasius tubbi . [6]
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Butis butis, the crazy fish, duckbill sleeper, or upside-down sleeper, is a species of sleeper goby that are native to brackish and freshwater coastal habitats of the Indian Ocean and the western Pacific Ocean from the African coast to the islands of Fiji. They prefer well-vegetated waters and can frequently be found in mangrove swamps. They are small, drably-colored fish, reaching a maximum length of only 15 cm (5.9 in). They are predatory and are known for their behavior of swimming vertically – or even upside down – while hunting.
Pale rasbora is a species of ray-finned fish in the genus Rasbora. It is known from the Chao Phraya and Mekong basins as well as from the Maeklong River in Southeast Asia. It can grow to 15 cm (5.9 in) SL.
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This fish has been attributed to Valenciennes however, in his original notes, he claims that the fish he described "formed part of the collection made in Java by Kuhl and Van Hesselt; they named it Dourr." Certainly, the type locality is Java, in Indonesia and the holotype is lodged at Bogor Zoology Museum.
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