Common names from other countries
Teleostei (teleosts) >
Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Poromitra: Greek, poros = porous + Greek, mitra = stripe, belt (Ref. 45335).
More on authors: Goode & Bean.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 400 - 1103 m (Ref. 51657), usually 800 - 1000 m (Ref. 6747). Deep-water; 50°N - 10°N
North Atlantic, Northwest Atlantic and central South Pacific.
Length at first maturity / Size / Weight / Age
Maturity: Lm 8.9, range 8 - 10.2 cm
Max length : 10.0 cm SL male/unsexed; (Ref. 4502)
Short description
Morphology | Morphometrics
Hard, sharp head spines. Scales on body and operculum intact (Ref. 37108).
Adults found mainly below 400 - 500 meters, to 800 - 1,000 meters; juveniles as shallow as 50 - 100 meters (Ref. 51657).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Maul, G.E., 1990. Melamphaidae. p. 612-618. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 4502)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsElectrophoresesHeritabilityDiseasesProcessingMass conversion
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Estimates based on models
Preferred temperature (Ref.
115969): 3.1 - 3.9, mean 3.4 (based on 5 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00451 - 0.02668), b=3.10 (2.89 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).