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Epigonus tuberculatus  Okamoto & Motomura, 2013

Keeling deepwater cardinalfish
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Image of Epigonus tuberculatus (Keeling deepwater cardinalfish)
Epigonus tuberculatus
Female picture by Okamoto, M.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Epigonidae (Deepwater cardinalfishes)
Etymology: Epigonus: Greek, epi = over, in front + Greek, gonio = angle (Ref. 45335);  tuberculatus: Name from Latin word 'tuber' meaning swelling, referring to the tubercle found on the inner symphysis of the lower jaw.

Environment / Climate / Range Ecology

Marine; pelagic-oceanic; depth range 473 - 570 m (Ref. 93890).   Tropical

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

Eastern Indian Ocean: Cocos-Keeling Is.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 15.4 cm SL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 8; Dorsal soft rays (total): 10; Vertebrae: 25. This species is distinguished by the following set of characters: no opercular spine; ribs on the last abdominal vertebra reduced or absent; tongue toothless; no maxillary mustache-like process; tubercle on inner symphysis of lower jaw; total gill rakers 21-22; vertebrae 10 + 15; pored lateral-line scales 46-48 + 3-4; D VII-I,10; pectoral-fin rays 19-20; pyloric caeca 8-10; orbital diameter 14.5-15.4 % SL; length of lower-jaw 16.0-17.6 % SL (Ref. 93890).

Biology     Glossary (e.g. epibenthic)

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

The type specimens are both females with a great number of eggs at several developmental stages; the most developed eggs were ca. 0.5 mm in diameter, round with a single oil globule.

Main reference Upload your references | References | Coordinator | Collaborators

Okamoto, M. and H. Motomura, 2013. Two new species of deepwater cardinalfish from the Indo-Pacific, with a definition of the Epigonus pandionis group (Perciformes: Epigonidae). Ichthyol. Res. 60(4):301-311. (Ref. 93890)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | 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 | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00252 - 0.01440), b=3.12 (2.91 - 3.33), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (33 of 100) .