Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Stichaeidae
(Pricklebacks) > Xiphisterinae
Etymology: Phytichthys: Greek, phyton = plant + Greek, ichthys = fish (Ref. 45335). More on authors: Jordan & Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 12 m (Ref. 2850). Temperate; 66°N - 32°N
Eastern Pacific: Bering Sea coast of Alaska to southern California, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 2850)
Morphology | Morphometrics
(total): 69 - 78;
soft rays: 40 - 50. Caudal rounded; pectorals very small (Ref. 6885). Olive green to olive dark brown dorsally, yellow to green ventrally, frequently with darker markings on side, small white spots sometimes evident along midside, 4 light and dark streaks reaching back and down from eyes, fins green to brown tinged with yellow (Ref. 6885).
Found under rocks in intertidal areas and to about 12 m depth (Ref. 2850). Feeds on crustaceans, and red and green algae (Ref. 6885).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 4.7 - 13, mean 8.2 (based on 581 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.6 ±0.20 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (35 of 100) .