Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Beryciformes
(Sawbellies) > Melamphaidae
(Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335); occlusus: Name from Latin word which means hidden or concealed; indicating that the specimen of this
species was possibly included with those of M. microps..
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 1500 - 1610 m (Ref. 90261). Deep-water
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Southwestern Indian Ocean: Madagascar Ridge.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.7 cm SL male/unsexed; (Ref. 90261)
Morphology | Morphometrics
soft rays: 8;
Vertebrae: 29. This species is distinguished by the following: first gill arch with 22 rakers; total vertebrae 29, abdominal 11; haemal arch of the first caudal vertebra with 2 spines directed downwards and to the sides ('spurs'); D III,16, P 15; V I,8; ventral fin originates beyond the vertical of the posterior margin of the pectoral fin insertion; anal fin originates beneath the last ray of the dorsal fin (Ref. 90261).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kotlyar, A.N., 2012. Revision of genus Melamphaes (Melamphaidae): Part 4. Multi-raker species: M. ebelingi, M. occlusus sp. nova, and M. nikolayi sp. nova. Vopr. Ikhtiol. 52 (3):279-287. J. Ichthyol. 52(4):247-254. (Ref. 90261)
IUCN Red List Status (Ref. 125652)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00402 - 0.02488), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.7 ±0.2 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) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .