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- Melamphaidae
- Beryciformes
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Melamphaes polylepis Ebeling, 1962
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Melamphaes polylepis AquaMaps Data sources: GBIF OBIS |
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Melamphaes polylepis
Picture by JAMARC
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Picture by JAMARC
Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Beryciformes (Sawbellies) > Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335).
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range Ecology
Marine; bathypelagic; depth range 200 - 2250 m (Ref. 51657). Deep-water; 34°N - 31°S
Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Circumtropical in North Atlantic (3°56'N, 12°33'W and 10°21'N, 17°59'W in the eastern Atlantic). Indo-Pacific: including Japan (Ref. 599) and New Zealand (Ref. 5755). Southeast Pacific: Chile (Ref. 9068).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.9 cm SL male/unsexed; (Ref. 126117); max. published weight: 11.10 g (Ref. 126117)
Max length : 7.9 cm SL male/unsexed; (Ref. 126117); max. published weight: 11.10 g (Ref. 126117)
Short description Identification keys | Morphology | Morphometrics
Dorsal spines (total): 3; Dorsal soft rays (total): 13 - 15; Anal spines: 1; Anal soft rays: 7 - 8. The species is characterized by the following: first gill arch with 20-22 rakers; vertebrae 29 (28-30 reported by Ebeling, 1962), abdominal vertebrae 11 (rarely, 12); two ventrolateral-oriented spurs on the haemal arch of the first caudal vertebra; D III 14-15 (rarely, III 13); P 15; soft rays in the ventral fin 7; ventral fin starts after the vertical line of the posterior margin of the pectoral fin basement (rarely, from this vertical line); anal fin starts under the last ray of the dorsal fin or just after the dorsal fin; operculum with 4 scales (Ref. 87970).
This species is caught by open-mouth nets at 4228-0 m, with original sampling done by closing-mouth nets at 1000 m (Ref. 87970).
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Main reference
Upload your references | References | Coordinator | Collaborators
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: Version 2024-2)
Data deficient (DD) ; Date assessed: 15 July 2014
CITES
Not Evaluated
Threat to humans
Harmless
Human uses
FAO - Publication: search | FishSource |
More information
Trophic ecology
Food items
Diet composition
Food consumption
Food rations
Predators
Food items
Diet composition
Food consumption
Food rations
Predators
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetics
Heterozygosity
Heritability
Genetics
Heterozygosity
Heritability
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Tools
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Special reports
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Internet sources
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record
Estimates based on models
Preferred temperature (Ref. 123201): 3.4 - 10.6, mean 6.4 °C (based on 1720 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00648 - 0.02231), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278): 3.5 ±0.2 se; based on size and trophs of closest relatives
Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).