Klassifizierung / Names
Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa
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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Careproctus: Greek, kara = face + Greek, proktos = anus (Ref. 45335); nelsoni: Named for Russell (‘‘Russ’’) E. Nelson, Jr., former Director of the RACE Division and of the AFSC
Observer Program and manager of the Foreign Fishery Observer Program of the Northwest and Alaska Fisheries Science Center.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal; tiefenbereich 220 - 329 m (Ref. 129450). Temperate
Northern Pacific: Aleutian Islands.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 6.8 cm SL Männchen/unbestimmt; (Ref. 129450)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenweichstrahlen (insgesamt) : 39 - 41; Afterflossenweichstrahlen: 33 - 35; Wirbelzahl: 44 - 45. This species is distinguished from its congeners in the North Pacific by the following set of characters: teeth trilobed; two separate chin pores; low counts of median-fin rays, D 39-41, A 33-35; vertebrae 44-45; peritoneum and stomach pale; body reddish with broad white saddle at
anterior part of dorsal fin extending to belly; differs from Careproctus staufferi having two separate chin pores (vs. two pores in a single pit), a smaller head 24.6-27.4 (vs. 27.0-30.0 % HL), and fewer pectoral-fin rays 32-37 (vs. 36-44), as well as its coloration in life, white saddle across anterior part of dorsal fin present and golden lateral slash absent (vs. saddle absent and slash present); differs from C. mollis and C. sinensis by fewer dorsal-fin rays 39–41 (vs. 53), anal-fin rays 33-35 (vs. 47), and vertebrae 44-45 (vs. 58–59), a larger pelvic disc 38.6-48.8 (vs. ca. 28 % HL) and two chin pores in separate pits (vs. two pores in a single
pit) (Ref. 129450).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Orr, J.W., 2016. Two new species of snailfishes of the genus Careproctus (Liparidae) from the Aleutian Islands, Alaska. Copeia 104(4):890-896. (Ref. 129450)
IUCN Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00208 - 0.01002), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
