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Nemoossis belloci  (Cadenat, 1937)

Longfin bonefish
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Nemoossis belloci
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Albuliformes (Bonefishes) > Albulidae (Bonefishes) > Pterothrissinae
Etymology: Nemoossis: Name from Latin words 'Nemo' meaning absence and 'ossis' for bones; referring to the absence of supraneural bones..

Environment / Climate / Range Ecology

Marine; bathydemersal; depth range 20 - 500 m (Ref. 3545), usually 100 - 400 m (Ref. 5576).   Deep-water; 18°N - 35°S, 18°W - 20°E (Ref. 109573)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: from Senegal to the west coast of South Africa

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm SL male/unsexed; (Ref. 5576); common length : 33.0 cm SL male/unsexed; (Ref. 5576)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 51-57; Anal spines: 0; Anal soft rays: 11 - 13; Vertebrae: 88 - 92. This species is distinguished by the following set of characters (counts & % in parentheses for lectotype): no supraneural bones; dorsal-fin rays 51-57 (mode 52); total vertebrae 88-92 (91); pored lateral-line scales 79-89 (84); pre-dorsal scale rows 3-8 (8); head length 24-32 % (mean 30 %) of SL); pectoral-fin length 16-21 % (19 %) of SL; pre-dorsal-fin length 27-34 % (30 %) of SL; dorsal-fin base length 53-64 % (60 %) of SL; postorbital length 13-16 % (14 %) of SL; upper caudal-fin length 18-31 % (24 %) of SL (Ref. 109573).

Biology     Glossary (e.g. epibenthic)

Common on the continental slope (Ref. 2683). Found on muddy bottoms (Ref. 27121). Feeds on benthic copepods and polychaetes (Ref. 27637).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Spawning occurs in open waters. Eggs are pelagic (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Hidaka, K., Y. Tsukamoto and Y. Iwatsuki, 2017. Nemoossis, a new genus for the eastern Atlantic long-fin bonefish Pterothrissus belloci Cadenat 1937 and a redescription of P. gissu Hilgendorf 1877 from the northwestern Pacific. Ichthyol. Res. 64:45-53. (Ref. 109573)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial
FAO(fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0002   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00202 - 0.01299), b=3.09 (2.86 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±0.17 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=3-4).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (35 of 100) .
Price category (Ref. 80766):   Unknown.