Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Gasterosteiformes
(Sticklebacks and seamoths) > Gasterosteidae
(Sticklebacks and tubesnouts)
Etymology: Gasterosteus: Greek, gaster = stomach + Greek, osteon = bone (Ref. 45335). More on author: Girard.
This species is synonym of Gasterosteus aculeatus Linnaeus, 1758 in Eschmeyer (CofF ver. May 2011: Ref. 86870) following Monod (1973). Please send references, or more studies are needed.
Environment / Climate / Range
Freshwater; demersal. Subtropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.5 cm SL male/unsexed; (Ref. 47709)
Countries | FAO areas | Ecosystems | Occurrences | SELECT
scientificname = Gasterosteus microcephalus
LIMIT 1Point map | Introductions | Faunafri
Asia: Japan; North America: Mexico (Ref. 47709). Needs better reference.
Adults are confined to small streams (Ref. 559). Feed on aquatic insects and other invertebrates (Ref. 559). Males build nests on muddy bottoms and guards eggs and young for several weeks (Ref. 559).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Males build, guard and aerate the nest where the eggs are deposited (Ref. 205).
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00391 - 0.02557), b=3.10 (2.88 - 3.32), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.9 ±0.2 se; Based on diet studies.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .