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Aldrovandia affinis  (Günther, 1877)

Gilbert's halosaurid fish
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| Native range | All suitable habitat | PointMap | Year 2100 |
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Aldrovandia affinis   AquaMaps   Data sources: GBIF OBIS
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Image of Aldrovandia affinis (Gilbert
Aldrovandia affinis
Picture by Reyes, R.B.

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

Actinopterygii (ray-finned fishes) > Notacanthiformes (Halosaurs and deep-sea spiny eels) > Halosauridae (Halosaurs)
Etymology: Aldrovandia: Taken from Ulisse Aldrovandi, (1522-1605), a Renaissance naturalist and physician noted by his systematic and accurate observations of plants and animals (Ref. 45335).

Environment / Climate / Range Ecology

Marine; benthopelagic; depth range 730 - 2560 m (Ref. 3974).   Deep-water

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 55.0 cm TL male/unsexed; (Ref. 4448)

Short description Morphology | Morphometrics

Dorsal spines (total): 1; Dorsal soft rays (total): 10-12. Body white to grey-brown in color, underside darker (Ref. 3974). Insertion of the pelvic fin only slightly anterior to the origin of the dorsal fin. Lacks scale on the opercle (Ref. 37108).

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

Circumglobal. Eastern Atlantic: Madeira to Western Sahara, off South Africa. Western Atlantic: Gulf of Mexico and South America. Indo-Pacific: Zanzibar and Maldives; near Japan (Ref. 26165). Probably Somalia (Ref. 30573). Eastern Central Pacific (Ref. 9305).

Biology     Glossary (e.g. epibenthic)

Occurs on the middle and lower slope primarily above the 4°C isotherm. Hovers within a few meters of substrate, parallel to it or inclined at varying angles (Ref. 6727). Feeds on polychaetes, pelecypods, amphipods and other benthic prey (Ref. 6727).

Main reference Upload your references | References | Coordinator | Collaborators

Sulak, K.J., 1990. Halosauridae. p. 126-132. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4448)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | BOLDSystems | 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 | National databases | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.40 se; Based on food items.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Assuming tmax>10).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (45 of 100) .
Price category (Ref. 80766):   Unknown.