Ophichthus acutidens, Sharp-teeth snake eel

Ophichthus acutidens Samucidine & Bogorodsky, 2026

Sharp-teeth snake eel
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Anguilliformes (Eels and morays) > Ophichthidae (Snake eels) > Ophichthinae
Etymology: Ophichthus: Greek, ophis = serpent + Greek, ichthys = fish (Ref. 45335)acutidens: Name 'acutidens' from a Latin word meaning 'sharp-toothed' or 'pointed-toothed', in reference to the distinctly sharp, recurved maxillary and mandibular teeth and the three enlarged, sharp vomerine teeth.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal. Tropical

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

Western Indian Ocean: Mozambique.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 41.0 cm SL male/unsexed; (Ref. 138908)

Short description Identification keys | Morphology | Morphometrics

Vertebrae: 152. This species is distinguished from its congeners by the following set of characters: body depth 32.0 TL; dorsal-fin origin slightly posterior to pectoral-fin tip; head length 11.1 in TL; teeth conical, sharp, all recurved, maxillary teeth biserial, teeth of inner row larger than teeth of outer row; vomerine teeth uniserial, three anterior teeth stout, enlarged; pectoral fins lanceolate; body mainly uniform pale olivaceous, ventral part of trunk with white triangular area, posterior margin of dorsal and anal fins narrowly black; and total vertebrae 152, including 13 predorsal and 61 preanal vertebrae (Ref. 138908).
Body shape (shape guide): eel-like.

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator : McCosker, John E. | Collaborators

Samucidine, K., S.V. Bogorodsky, Y. Hibino, P. Matiku, G. Matcher and R. Bills, 2026. A new species of snake eel of the genus Ophichthus (Anguilliformes: Ophichthidae) from Mozambique. Zootaxa 5793(2):496-508. (Ref. 138908)

IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest
FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
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
Distribution
Territories
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genome
Genetics
Heterozygosity
Heritability
Genetic Diversity
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
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Taxonomy
Common names
Synonyms
Morphology
Morphometrics
Pictures
References
References

Tools

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level
(Ref. 69278)
3.9   ±0.7 se; based on size and trophs of closest relatives
Resilience
(Ref. 120179)
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability
(Ref. 59153)
Moderate vulnerability (40 of 100). 🛈