Gilbert's halosaurid fish (Aldrovandia affinis) fish species and information / pictures of Gilbert's halosaurid fish - Aldrovandia affinis

Gilbert's halosaurid fish (Aldrovandia affinis) fish species information

Scientific Name
Aldrovandia affinis

Common Name
Gilbert's halosaurid fish

Biology
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).

Classification

Classified By
G?nther, 1877
Class
Ray-finned fishes (Actinopterygii)
Order
Halosaurs and deep-sea Spiny eels (Notacanthiformes)
Family
Halosaurs (Halosauridae)

Distribution

Region
Circumglobal. Eastern Atlantic
Distribution
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).
Range
Unknown

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
730 m
Depth To - meters
2560 m
Zone
benthopelagic
Environment
Marine; benthopelagic; depth range 730 - 2560 m (Ref. 3974)
Trophic Level
3.3 s.e. 0.40 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
55.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Moderate to high vulnerability (45 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Assuming tmax>10)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated