Psednos micrurus, Barnard's dwarf snailfish

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Psednos micrurus Barnard, 1927

Barnard's dwarf snailfish
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Psednos micrurus
Male Picture by SFSA

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

Teleostei (teleosts) > Perciformes/Cottoidei (Sculpins) > Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335).
More on author: Barnard.

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

Marine; bathydemersal; depth range 1207 - 1280 m (Ref. 42989). Deep-water

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

Atlantic Ocean: known only from off Cape Point, South Africa. Probably ranging north to the Madagascar Ridge.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm SL male/unsexed; (Ref. 6632)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 36 - 37; Anal spines: 0; Anal soft rays: 28 - 31; Vertebrae: 42. This species is characterized by the following: superior and oblique mouth; body high at the occiput (humpbacked); upper nasal pore slightly posterior to vertical through nostril; with coronal pore; infraorbital canal interrupted posterior to the eye; pores of io 5 + 1 = 6; operciular opening above pectoral-fin base; head 24-25%, anteanal distance around half SL (Ref. 44814).
Body shape (shape guide): elongated; Cross section: oval.

Biology     Glossary (e.g. epibenthic)

Occurs in the continental slope (Ref. 7300).

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

Main reference Upload your references | References | Coordinator | Collaborators

Andriashev, A.P., 1998. A review of recent studies of Southern Ocean Liparidae (Teleostei: Scorpaeniformes). Cybium 22(3): 255-266. (Ref. 30823)

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

  Data deficient (DD) ; Date assessed: 19 June 2017

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
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Occurrences
Introductions
BRUVS - Videos
Anatomy
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Brain
Otolith
Physiology
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Nutrients
Oxygen consumption
Swimming type
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Visual pigments
Fish sound
Diseases & Parasites
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Genetics
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Heterozygosity
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Human related
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Aquaculture profiles
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Ciguatera cases
Stamps, coins, misc.
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Taxonomy
Common names
Synonyms
Morphology
Morphometrics
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References
References

Tools

E-book | Field guide | Identification keys | 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 |