Eumecichthys fiski, Unicorn crestfish

Eumecichthys fiski (Günther, 1890)

Unicorn crestfish
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Eumecichthys fiski   AquaMaps   Data sources: GBIF OBIS
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Image of Eumecichthys fiski (Unicorn crestfish)
Eumecichthys fiski
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Lampriformes (Velifers, tube-eyes and ribbonfishes) > Lophotidae (Crestfishes)
Etymology: Eumecichthys: Greek, eumekes = very larg or long (Ref. 45335).
Eponymy: Rev George Henry Redmore Fisk (1829–1911) was a collector of South African zoological curiosities, including the holotype of this species which he sent to the BMNH. [...] (Ref. 128868), visit book page.
More on author: Günther.

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

Marine; bathypelagic. Deep-water

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

Probably worldwide. Western Atlantic: southeastern Florida in USA. Southeast Atlantic: False Bay, South Africa (Ref. 4165). Northwest Pacific: Japan (Ref. 559). Eastern Central Pacific: Hawaii and Mexico (Ref. 4165). Indian Ocean: India (Ref. 4165).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 150 cm TL male/unsexed; (Ref. 7251)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 5 - 9. Head and body silvery in color with 24-60 dark sub vertical bands; dorsal and caudal fins crimson in color (Ref. 4165). Dorsal fin with 310-392 soft rays.
Body shape (shape guide): eel-like.

Biology     Glossary (e.g. epibenthic)

A rare (Ref. 4165), mesopelagic species found at 1,000 m depth (Ref. 5213).

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

Oviparous (Ref. 36608).

Main reference Upload your references | References | Coordinator | Collaborators

Heemstra, P.C., 1986. Lophotidae. p. 402-403. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4165)

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

  Least Concern (LC) ; Date assessed: 10 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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
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BRUVS - Videos
Anatomy
Gill area
Brain
Otolith
Physiology
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Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genome
Genetics
Heterozygosity
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Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
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Taxonomy
Common names
Synonyms
Morphology
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References
References

Tools

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Special reports

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Summary page | Point data | Common names | Photos

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 | Zoological Record

Estimates based on models

Phylogenetic diversity index
(Ref. 82804) 		PD50 = 1.0312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00115 (0.00042 - 0.00311), b=3.07 (2.84 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level
(Ref. 69278) 		4.0   ±0.7 se; based on size and trophs of closest relatives
Fishing Vulnerability
(Ref. 59153) 		Very high vulnerability (80 of 100). 🛈