Malthopsis oculata, Bigeye triangular batfish

Malthopsis oculata Ho & Last, 2021

Bigeye triangular batfish
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drawing shows typical species in Ogcocephalidae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Lophiiformes (Anglerfishes) > Ogcocephalidae (Batfishes)
Etymology: Malthopsis: Greek, malthe, es = a marine fish of soft flesh (Ref. 45335); oculata: Name from Latin 'oculus' for eye, referring to its unusually large orbit (Ref. 123774).

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

Marine; demersal; depth range 184 - 460 m (Ref. 123774), usually 350 - 420 m (Ref. 123774). Subtropical

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

Eastern Indian Ocean: Western Australia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 7.2 cm SL male/unsexed; (Ref. 123774)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 4 - 6. This species is distinguished by the following set of characters: D 4-6; pectoral-fin rays 10-13; rostrum pointed, needle-like, base small; subopercular buckler with few weakly-developed spinelets; small bucklers loosely covering posterior part of skull; orbit large (14.1%-16.8% SL); rostrum short (7.1%-11.2% SL), directed upward rather than forward; interorbital space is narrow (5.4%-7.1% SL); body covered with relatively sharp bucklers, in loose arrangement; interspaces between bucklers naked; OD/IO = 2.3-2.8, OD/RL = 1.3-2.1; anal fin not reaching caudal-fin base when fully appressed (based on short rostrum specimens only) (Ref. 123774).
Cross section: flattened.

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator : Ho, Hsuan-Ching | Collaborators

Ho, H.-C. and P. Last, 2021. Review of the batfish genus Malthopsis from Australia (Lophiformes: Ogcocephalidae), with descriptions of a five new species. Bull. Mar. Sci. 97(1):165-218. (Ref. 123774)

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

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
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References

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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 |