Amblypharyngodon chulabhornae | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Cypriniformes |
Family: | Cyprinidae |
Subfamily: | Danioninae |
Genus: | Amblypharyngodon |
Species: | A. chulabhornae |
Binomial name | |
Amblypharyngodon chulabhornae Vidthayanon & Kottelat, 1990 | |
Amblypharyngodon chulabhornae, the princess carplet, is a species of carplet in the family Cyprinidae from mainland south-east Asia.
Amblypharyngodon chulabhornae has 10 soft rays in the dorsal fin with 8 in the anal fin, it has 31-32 vertebrae. It is distinguished from other species in the genus Amblypharyngodon in having a smaller number scales on the lateral row, 42-50 in A. chulabhornae compared to 50-79 in other species in the genus, likewise this species has 6-7 perforated scales along its lateral line and 4-5 scales on a transverse row situated along the normal course of the lateral line in other fish and the pelvic fin base. The body is golden in colour, with a blue eye and lacks a barbel. [2] Its maximum standard length is 30-40mm but mature females grow a little larger than the males and have a more rounded belly. [3]
Amblypharyngodon chulabhornae can be found in shallow standing water such as within paddy fields and in ditches, preferring vegetated areas with growths of floating and emergent vegetation as well seasonally flooded terrestrial grasses. [2] It is found in the Chao Phraya and Mekong basin in Thailand, Laos and Cambodia, as well the Mae Klong basins and river systems in southeast Thailand extending into the upper Thai-Malay peninsula. [1] It may have been introduced to Singapore and appears to be established there. [4]
Amblypharyngodon chulabhornae probably feeds small invertebrates, zooplankton and algae. They are sociable fish and prefer to live in small schools. [3] they breed by spawning, [2] most likely scattering the eggs on the substrate and showing no care thereafter. [3]
It is still common and is treated as being of "Least Concern" by the IUCN but population in some areas appear to be in declining such as on Chae Phraya in Thauland while in waters around Phnom Penh the species remains common. [1] It does not appear in the local fishmarkets [2] but may be consumed by subsistence fishermen, and the main threat appears to be pollution. [1] It is rare in the aquarium trade and if it is offered for sale in that trade this is probably as a result of bycatch by fishermen hunting other species. [3]
The generic name derives from the Ancient Greek amblús meaning "blunted", pháruks meaning throat and odṓn meaning "toothed" in referenced to the shape of the pharyngeal teeth, the specific name is in honour of H.R.H. Princess Chulabhorn Mahidol of Thailand in recognition of her interest in and patronage of the sciences and technology. [3]
The Chao Phraya is the major river in Thailand, with its low alluvial plain forming the centre of the country. It flows through Bangkok and then into the Gulf of Thailand.
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The blackline rasbora is a fish of the family Cyprinidae found in Asia in the Mekong, Chao Phraya, and Mae Klong basins, and also the northern Malay Peninsula. In the aquarium trade, it is known by a variety of other names, including red-tailed rasbora, bora bora rasbora, and brilliant rasbora.
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The Siamese tigerfish, also known as the Siamese tiger perch, is a critically endangered Asian fish native to the Chao Phraya, Mae Klong and Mekong basins. It has vertical yellow and black stripes running the length of its body. The dorsal fin has a spiny appearance. Siamese tigerfish grow to 40 cm (16 in) in standard length.
Systomus jacobusboehlkei is a species of cyprinid fish native to the lower Mekong and Chao Phraya Basins of Cambodia, Vietnam, Laos, and Thailand. It inhabits marshlands and floodplains, swamps, and small, slow-flowing tributaries. It is present in local food fisheries, along with other small species. This species can reach a length of 12 centimetres (4.7 in) SL.
The Cambodian logsucker, also known as stonelapping minnow or false Siamese algae eater, is a species of ray-finned fish in the genus Garra. It lives in Southeast Asia.
Schistura sexcauda is a species of ray-finned fish, a stone loach, in the genus Schistura. It is found in the basin of the Chao Phraya River in central Thailand where it has been recorded in streams with a moderate to fast current and in riffles, over substrates consisting of gravel to stone. It is known to be raised in local subsistence fisheries and traded both nationally and internationally as an ornamental fish.
The carplets (Amblypharyngodon) are a genus of fishes in the family Cyprinidae. They are up to 20 cm (7.9 in) in total length and inhabit a wide range of slow-moving or stagnant freshwater habitats in South and Mainland Southeast Asia.
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Chavalit Vidthayanon is a Thai ichthyologist and senior researcher of biodiversity of WWF Thailand. He graduated from Bangkok Christian College and graduated in marine biology from Kasetsart University and Chulalongkorn University. Vidthayanon received a Ph.D. in fishery biology from the Tokyo Fisheries University, Japan.