Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Stichaeidae
(Pricklebacks) > Xiphisterinae
Etymology: Alectrias: Greek, alektros, -os, -on = single, married in illegal or unhappy marriage (Ref. 45335). More on author: Jordan, Snyder.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 20 m (Ref. 50610). Temperate
Northwest Pacific: southern Kuril Islands, Aniva Bay, Japan from Hokkaido to northern Honshu, Japan Sea from Tatar Strait to Korean Peninsula; Yellow Sea at Chefoo and Gulf of Pohai.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 43239); common length : 5.0 cm TL male/unsexed; (Ref. 56557)
Morphology | Morphometrics
Found in tide pools of rocky shores, among rocks and seaweed beds in bays (Ref. 43239). Oviparous, eggs are guarded by the female parent (Ref. 58332).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 8.5 - 20, mean 15.2 (based on 167 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5156 [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), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.7 ±0.2 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (31 of 100) .