Classification / Names
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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 / गहराई सीमा / distribution range
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 220 - 329 m (Ref. 129450). Temperate
Northern Pacific: Aleutian Islands.
आकार / वज़न / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 6.8 cm SL पुल्लिंग / अलिंग; (Ref. 129450)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 39 - 41; ऐनल सौफट रेज़: 33 - 35; जानवरों की रीड़ का जोड़: 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).
Cross section: oval.
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
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 Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
मात्स्यिकी: कोई रुचि बग़ैर
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (संदर्भ
82804): PD
50 = 0.5000 [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 (संदर्भ
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
लौटाव (संदर्भ
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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