Actinopteri (ray-finned fishes) > Perciformes/Zoarcoidei
(Eelpouts and pricklebacks) > Stichaeidae
(Pricklebacks) > Xiphisterinae
Etymology: Anoplarchus: Greek, ana = up + Greek, oplon = shield + Greek, archos = anus (Ref. 45335).
More on authors: Gilbert & Burke.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 1 - 30 m (Ref. 2850). Temperate
Eastern Pacific: Aleutian Islands, Alaska to Arena Cove, Mendocino County, northern California, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. 2850)
Morphology | Morphometrics
(total): 57 - 64;
soft rays: 40 - 46;
Vertebrae: 62 - 68. Dorsal well notched but joined to caudal; caudal rounded; pectorals bluntly pointed (Ref. 6885). Dark, or with a broken or variegated dark and light patterns usually with dark and light bars accentuating each other across jaw; frequently dark markings near anterior portion of dorsal fin and on the posterior margin of each gill cover; rarely individuals partly or completely bright red (Ref. 6885).
Prefers subtidal areas among rocks (Ref. 2850) and algae to depths of 30 meters (Ref. 51666).
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. 125652)
Threat to humans
Aquarium: public aquariums
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 4.7 - 12.2, mean 7.3 °C (based on 438 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [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 BS (Ref. 93245
Trophic level (Ref. 69278
): 2.7 ±0.2 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .