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); nipponicus: The specific name nipponicus refers to Nippon (Japan).
Environment: milieu / climate zone / depth range / distribution range
Marine; freshwater; brackish; benthopelagic. Subtropical
North Pacific: coastal Japan facing the Sea of Japan from Kyushu to Hokkaido Islands, along the Pacific coast of northern Japan from Chiba Prefecture to Hokkaido, along the Sea of Okhotsk of Hokkaido, Japan, west to the southern and eastern coasts of Korean Peninsula, the Maritime Territory and north to Sakhalin Island, Russia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.2 cm SL male/unsexed; (Ref. 96096); 7.9 cm SL (female)
Morphology | Morphometrics
soft rays: 7 - 11;
Vertebrae: 30 - 34. Gasterosteus nipponicus is distinguished from its congeners by the combination of the following characters: lateral plates complete, abruptly reducing in size above the anus, depth of lateral plate above the anus <60 % that of the deepest plate; and caudal keels thin and membranous (Ref. 96096).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Higuchi, M., H. Sakai and A. Goto, 2014. A new threespine stickleback, Gasterosteus nipponicus sp. nov. (Teleostei: Gasterosteridae), from the Japan sea region. Ichthyol. Res. 61:341-351. (Ref. 96096)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
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].
Trophic Level (Ref. 69278
): 3.3 ±0.2 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .