Paraphyonus merretti : fisheries

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Paraphyonus merretti Nielsen, 2015

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drawing shows typical species in Bythitidae.

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

Teleostei (teleosts) > Ophidiiformes (Cusk eels) > Bythitidae (Livebearing brotulas)
Etymology: merretti: Named for Dr Nigel R. Merrett, Thorncombe, Chard, U.K. (previous the Natural History Museum).
Eponymy: Dr Nigel Robert Merrett (d: 1940) is a British zoologist and ichthyologist. [...] (Ref. 128868), visit book page.

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

Marine; bathypelagic; depth range 4453 - 4540 m (Ref. 105129). Deep-water

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

Eastern Central Atlantic: off NW Africa.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 8.5 cm SL male/unsexed; (Ref. 105129); 12.5 cm SL (female)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 67 - 70; Anal soft rays: 49 - 52; Vertebrae: 64 - 65. This species is distinguished by the following set of characters: long rakers on first gill arch 14-16; D 67-70; precaudal vertebrae 29-30, total vertebra 64-65; height of head 21.0-23.0 % SL and origin of dorsal fin above vertebra no. 22 (Ref. 105129).
Cross section: compressed.

Biology     Glossary (e.g. epibenthic)

Only three specimens were caught in bottom fishing gear at abyssal depths. The stomach of the holotype contained unidentifiable remains of crustaceans. Viviparous with the presence of 6 mm long embryos (Ref. 105129).

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

Main reference Upload your references | References | Coordinator | Collaborators

Nielsen, J.G., 2015. Revision of the aphyonid genus Aphyonus (Teleostei: Ophidiiformes) with a new genus and two new species. Zootaxa 4039(2):323-344. (Ref. 105129)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Data deficient (DD) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: bycatch
FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
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Predators
Ecology
Ecology
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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References

Tools

E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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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 | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00172 - 0.01163), b=3.10 (2.87 - 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. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈