>
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
Ekologi
marina batypelagisk; djupintervall 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).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.6 cm SL hane/ej könsbestämd; (Ref. 39669)
Short description
Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 11-13; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 13 - 15; Ryggkotor: 38 - 39. Branchiostegal rays: 12 (Ref. 35839).
Oviparous, with planktonic eggs and larvae (Ref. 35839).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
Threat to humans
Harmless
Human uses
Ytterligare information
Age/SizeTillväxtLength-weightLength-lengthLength-frequenciesMorfometriMorfologiLarverLarvdynamikRekryteringAbundansBRUVS
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
MedarbetareBilderStamps, Coins Misc.LjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
Verktyg
Special reports
Download XML
Internet-källor
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=0.00977 (0.00405 - 0.02356), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).