Actinopteri (ray-finned fishes) > Perciformes/Cottoidei
(Sculpins) > Liparidae
Etymology: Allocareproctus: Greek, allos = other + Greek, kara, kare = face + Greek, proktos = anus (Ref. 45335); jordani: Specific name is a patronym honoring David Starr Jordan.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 75 - 631 m (Ref. 57077), usually 300 - 500 m (Ref. 56456). Deep-water
Northwest Pacific: off Honshu, Japan at Sagami Bay, Kuril Islands, and eastern Okhotsk Sea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 34.0 cm TL male/unsexed; (Ref. 56456); common length : 20.0 cm TL male/unsexed; (Ref. 56456); max. published weight: 730.00 g (Ref. 56456); max. reported age: 8 years (Ref. 56456)
Morphology | Morphometrics
Diagnosis: Simple teeth or with weak shoulders; nasal pore 1 with pigmented papilla; black peritoneum; single, finger-like projection on the orobuccal valve, its cavity pale; gill rakers 8 - 12, short and blunt; interorbital papilla may be present or absent; pyloric caeca on the right side; body is red; iris silver gray (Ref. 57077).
Smallest female with yolked eggs measured 10.5. cm SL; smallest male with enlarged, swollen testes 7.45 cm SL (Ref. 57077).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Chernova, N.V., D.L. Stein and A.P. Andriashev, 2004. Family Liparidae Scopoli 1777 snailfishes. Calif. Acad. Sci. Annotated Checklists of Fishes (31):72. (Ref. 51661)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 0.6 - 4.1, mean 1.7 °C (based on 108 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00564 - 0.02811), b=3.04 (2.83 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 3.6 ±0.58 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (34 of 100) .