Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Cypriniformes (Carps) >
Balitoridae (River loaches)
Etymology: Metahomaloptera: Greek, meta = after, with + Greek, homalos = flat + Greek, pteron = wing, fin (Ref. 45335); longicauda: From the Latin longus, meaning long, and caudal, meaning the tail. This is in reference for the longer caudal peduncle of this species when compared with Metahomaloptera oemeiensis and M. oemeiensis hangshuiensis..
More on authors: Yang, Chen & Yang.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 6.0 - 6.0. Subtropical
Asia: Jinsha River, China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.4 cm SL male/unsexed; (Ref. 58759)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 11; Anal soft rays: 7. Dorsal fin insertion before the middle of body; pectoral fin reaching beyond the dorsal-fin origin; anal fin far from caudal-fin base; pelvic fin reaching beyond anus; head width 19.4-22.6% SL; pre-anal length 69.0-74.3% SL; caudal peduncle length 17.1-20.7% SL; caudal peduncle depth 33.7-43.1% caudal-peduncle length; eye diameter 14.6-16.6% HL; mouth width 63.2-75.5% SL body width at pectoral-fin origin; 8-9 blackish blotches along the median dorsal line from occipital region to base of caudal; pectoral fin expanding beyond the dorsal-fin origin; lateral line scale rows 66-78; branched pectoral rays 11-15; branched pelvic rays 10-12 (Ref. 58759).
Found in rapid water among boulders (Ref. 58759).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Yang, J., X. Chen and J. Yang, 2007. A new species of Metahomaloptera (Teleostei: Balitoridae) from China. Zootaxa 1526:63-68. (Ref. 58759)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00265 - 0.01501), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).