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Oreonectes platycephalus in Hong Kong
Flat-headed loach

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Oreonectes platycephalus   Günther, 1868
Family:	Balitoridae (River loaches) , subfamily: Nemacheilinae			picture (Orpla_u1.jpg) by CAFS
Order:	Cypriniformes  (carps)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Flat-headed loach
Max. size:	10.0 cm TL (male/unsexed; Ref. 26563)
Environment:	demersal
Climate:	tropical
Global Importance:
Resilience:	High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution:	Asia: China, Hong Kong and Vietnam.
Diagnosis:	Dorsal soft rays (total): 10-10; Anal soft rays: 8-8; Vertebrae: 35-36. Distinguished from other species by having the following characters: head flat at dorsum; eyes present; dorsal fin origin behind the pelvic-fin origin; dorsal-fin base and caudal-fin base with black pigment; caudal fin rounded; body with minute scales except for head; incomplete lateral line with 16-18 pores; cephalic lateral-line system with 8 supraorbital, 3+10 infraorbital pores; sexual dimorphic, males with the genital papilla located immediately posterior to anus, gonad opens at end of fleshy prominence; 4+31~32 vertebrae (Ref. 75196). Description: D iii,7; A iii,5; P i+10; V i+6 (Ref. 75196).
Biology:	Inhabits near the bottom of clear, fast-flowing streams. Feeds on benthic organisms and detritus (Ref. 5258)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Du, L.-N., X.-Y. Chen and J.-X. Yang. 2008. (Ref. 75196)
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Hong Kong country information
Common names:	Bin tau chau, Flat-headed loach		Ref:  Man, S.H. and I.J. Hodgkiss, 1981
Status:	native		Ref:  Du, L.-N., X.-Y. Chen and J.-X. Yang, 2008
Salinity:	freshwater
Uses:	no uses
Comments:	Also Ref. 75196.
Country Information:	www.cia.gov/cia/publications/factbook/geos/hk.html
Occurrences:	Occurrences    Point map
Main Ref:	Man, S.H. and I.J. Hodgkiss, 1981
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More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | Bio-Quiz | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | PubMed | Scirus | Tree of Life | Zoological Record Other web sites |
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	Modified:  Torres, Armi G.	Entered:  Torres, Armi G.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07