Teleostei (teleosts) >
Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: Plesiomyzon: Greek, plesios = near + Greek, myzo = to suckle (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; brackish; demersal. Tropical
Asia: endemic to the drainages in Hainan Island, China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.8 cm SL male/unsexed; (Ref. 45625)
Short description
Identification keys | Morphology | Morphometrics
Head small and depressed; mouth small, deeply arch and without rostral groove and fold in front of mouth. Caudal fin deeply concave; pectoral fin wide and long; pelvic fin not forming sucker-shape. Body brownish yellow and with irregular black spots.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Zheng, C.-Y., 1991. Gastromyzonidae. p. 261-286. In J.-H. Pan, L. Zhong, C.-Y. Zheng, H.-L. Wu and J.-H. Liu (eds). 1991. The freshwater fishes of Guangdong Province. Guangdong Science and Technology Press, Guangzhou. 589 p. (Ref. 33406)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00256 - 0.01420), b=3.11 (2.90 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).