Animal Species:Allied Halosaur, Aldrovandia affinis (Günther, 1877)
The Allied Halosaur is an elongate fish with an overhanging, pointed snout. It is found worldwide in continental slope depths.
Standard Common Name
The Allied Halosaur has an elongate body and an attenuate tail. It has a pointed snout that extends well in front of the mouth. There is a single short based dorsal fin and a long based anal fin that extends to the end of the tail. The body is scaled, with enlarged scales along the lateral line. The top of the head has no scales.
It occurs worldwide. In Australia it is known from off north-western Western Australia and New South Wales.
The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums. Click on the map for detailed information. Source: Atlas of Living Australia.
Distribution by collection data
The species occurs in tropical marine waters at continental slope depths.
Feeding and Diet
Allied Halosaurs feed on polychaetes, amphipods and other small benthic invertebrates.
- Smith, D. G. 1999. Halosauridae. in Carpenter, K.E. & V.H. Niem (Eds). FAO Species Identification Guide for Fishery Purposes. The Living Marine Resources of the Western Central Pacific. Volume 3. Batoid fishes, chimaeras and bony fishes part 1 (Elopidae to Linophrynidae). FAO, Rome. Pp. iii-vi, 1398-2068.
Mark McGrouther , Senior Fellow