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Stomiiformes (Lightfishes and dragonfishes) >
Phosichthyidae (Lightfishes)
Etymology: Ichthyococcus: Greek, ichthys = fish + Greek, kokkos = grain, berry (Ref. 45335); irregularis: Named for the irregular pattern of th eventral photophores before the pectoral fin (Ref. 39669).
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री बैथीपिलाजिक; गहराई सीमा 2213 - 3658 m (Ref. 39669). Deep-water; 45°N - 22°N, 140°W - 109°W
Eastern Pacific: throughout the California Current region, seaward of the continental shelf (Ref. 35839).
आकार / वज़न / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.6 cm SL पुल्लिंग / अलिंग; (Ref. 39669)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 11 - 13; गुदा कांटा: 0; ऐनल सौफट रेज़: 13 - 15; जानवरों की रीड़ का जोड़: 38 - 39. Branchiostegal rays: 12 (Ref. 35839).
Oviparous, with planktonic eggs and larvae (Ref. 35839).
Watson, W., 1996. Phosichthyidae: lightfishes. p. 284-293. In H.G. Moser (ed.) The early stages of fishes in the California Current Region. California Cooperative Oceanic Fisheries Investigations (CalCOFI) Atlas No. 33. Allen Press, Inc., Lawrence, Kansas. 1505 p. (Ref. 35839)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
मात्स्यिकी:
साधन
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
123201): 1.7 - 1.9, mean 1.8 °C (based on 38 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00400 - 0.02282), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).