Actinopterygii (ray-finned fishes) > Osmeriformes
(Smelts) > Plecoglossidae
Etymology: Plecoglossus: Greek, pleko, plekein = to fold + Greek, glossa = tongue (Ref. 45335).
All subspecies of Plecoglossus altivelis (Temminck & Schlegel, 1846) are synonymised under the species in Eschmeyer (CofF ver. Jul. 2010: Ref. 84883). Please send references, or more studies are needed.
Environment / Climate / Range
Marine; freshwater; brackish; demersal; amphidromous (Ref. 51243). Temperate
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.3 cm SL male/unsexed; (Ref. 34989)
Northwest Pacific: Nansei-shoto, Japan.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Mature fish enter the lower reaches of rivers from August to December and spawn on the gravel bottoms of rapids and die.
Baillie, J. and B. Groombridge (eds.), 1996. 1996 IUCN red list of threatened animals. IUCN, Gland, Switzerland. 378 p. (Ref. 12255)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .