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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Coelorinchus: Greek, koilos = a hollow + Greek, rhyngchos = jaw (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina djupbottenlevande; djupintervall 606 - 975 m (Ref. 26363). Deep-water; 33°S - 37°S
Southwest Pacific: endemic to New Zealand.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 82.8 cm TL hane/ej könsbestämd; (Ref. 26363)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 2. Lips of upper and lower jaws very darkly pigmented; a series of about five (indistinct posteriorly) brownish black saddle marks on the dorsal surface of the body, the first broad, starting before the first dorsal fin origin, the third smaller and paler than the others when viewed dorsally; ventral light organ small, lacking a dermal window; ventral surface of head and lower jaw almost entirely covered with small, heavily spinulated scales; snout moderately long 45.4-51.7% HL; mouth large, with upper jaw 26.0-33.3% HL; suborbital ridge not supported by continuous bone; buccal cavity black; fins pale dusky except for anal fin which has black pigmentation distally along anterior four-fifths (Ref. 26363).
Appears to form small schools (Ref. 26363).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Iwamoto, T. and N.R. Merrett, 1997. Pisces Gadiformes: Taxonomy of grenadiers of the New Caledonian region, southwest Pacific. Mem. Mus. Natl. Hist. Nat. (176):473-570. (Ref. 35908)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 5.7 - 8.2, mean 6.6 °C (based on 14 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.7 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (53 of 100).
