Yasuhikotakia modesta (Bleeker, 1864)

Redtail botia

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Cypriniformes \| Cobitidae \| Botiinae
Synonyms	Botia modesta, Botia rubripinnis, ... more
Common names	Orangefin loach, Cá Heo rứng, Heo xanh, ... more

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Image of Yasuhikotakia modesta (Redtail botia)

Picture by Reclos, G.J.

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Main reference

Kottelat, M. 2004. (Ref. 50472)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 25.0 cm SL male/unsexed; (Ref. 27732)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; pH range: 6.0 - 8.0; dH range: 5 - 12

Climate / Range

Tropical; 26°C - 30°C (Ref. 1672)

Asia: Mekong and Chao Phraya basins (Ref. 12693), and Mae Khlong basin (Ref. 12041).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 12 - 13; Anal soft rays: 8 - 10; Vertebrae: 30 - 32. Usually 8 branched dorsal rays; a bluish to greyish body (in life); a dark vertical bar at caudal-fin base and bright orange to red fins in life (Ref. 27732); lacks a mid-dorsal stripe at all ages; large ethmoid spine perpendicular to snout when viewed from above; large mental lobe; young may be iridescent green with numerous narrow black bars (Ref. 12693).

Usually found in large rivers with a muddy substrate (Ref. 27732). Occurs in flooded fields (Ref. 12975). Feeds at night on worms, crustaceans and insects (Ref. 7020). Oviparous (Ref. 205). A strongly migratory species (Ref. 9497). Above the Khone Falls of the Mekong basin, it migrates into tributaries and small streams, where it spawns during the early flood season. When water starts to recede, it moves back to the main tributaries and to the Mekong mainstream. An upstream migration occurs from the Mekong Delta, around the saline intrusion zone to just below the Khone Falls between November and March. This migration is reportedly triggered by receding water levels. From May to July, the species migrates the opposite way, downstream from the Khone Falls to flooded areas in Southern Cambodia and the Mekong Delta in Viet Nam (Ref. 37770).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Aquarium: highly commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (34 of 100)	Not marketed/unknown

Entered by Torres, Armi G.

Modified by Capuli, Estelita Emily

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Page last modified by : elaxamana, 15 July 2009

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