Nansenia tenuicauda  Kawaguchi & Butler, 1984

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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Osmeriformes (Smelts) > Microstomatidae (Pencil smelts)
Etymology: tenuicauda: Named for its slender caudal peduncle.

Environment / Climate / Range Ecology

Marine; bathypelagic; depth range 0 - 328 m (Ref. 5123).   Deep-water

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 8.4 cm SL male/unsexed; (Ref. 5123)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 10-11; Anal soft rays: 8 - 10; Vertebrae: 46. Branchiostegal rays 4. Predorsal length less than 49% SL. Slender caudal peduncle, least depth is less than 5.5.% of SL. Pyloric caeca 8 (Ref. 5123).

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

Southwest Atlantic: restricted to the area near the subtropical convergence, around 40°S.

Biology     Glossary (e.g. epibenthic)

Main reference Upload your references | References | Coordinator | Collaborators

Kawaguchi, K. and J.L. Butler, 1984. Fishes of the genus Nansenia (Microsomatidae) with descriptions of seven new species. Los Angeles County Mus. Contr. Sci. 352:1-22.

IUCN Red List Status (Ref. 90363)

  Not Evaluated 

Threat to humans

  Harmless




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FAO(Publication : search) | FisheriesWiki |

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (-0.16711 - 0.17489), b=3.12 (3.03 - 3.21), based on all LWR estimates for this BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.2   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Price category (Ref. 80766):   Unknown.