Actinopteri (ray-finned fishes) > Perciformes/Cottoidei
(Sculpins) > Liparidae
Etymology: Allocareproctus: Greek, allos = other + Greek, kara, kare = face + Greek, proktos = anus (Ref. 45335); kallaion: Name from a Greek word meaning comb, allusion to the multiple projections on the orobuccal valve and the single row of teeth on the posterior part of the dentary..
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 278 - 458 m (Ref. 57077). Deep-water
Northeast Pacific: east-central Aleutian Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 19.5 cm SL male/unsexed; (Ref. 57077)
Morphology | Morphometrics
Diagnosis: Teeth simple; nasal pore 1 with pigmented papilla; peritoneum black; orobuccal valve with 4-6 finger-like projections; orobuccal cavity dark; gill rakers 14-18, stout, with strong spines at tip; interorbital papilla absent; red blotchy body, darker gray anteriorly, iris silver gray (Ref. 57077).
Smallest female with yolked eggs measured 16.2 cm SL; smallest male with enlarged, swollen testes 12.4 cm SL (Ref. 57077).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Orr, J.W. and M.S. Busby, 2006. Revision of the snailfish genus Allocareproctus Pitruk & Fedorov (Teleostei: Liparidae), with descriptions of four new species from the Aleutian Islands. Zootaxa 1173:1-37. (Ref. 57077)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 3.5 - 3.8, mean 3.8 °C (based on 4 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00235 - 0.01172), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (14 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .