Callorhinchus

Callorhinchus is a genus of chimaeras, cartilaginous fishes with trunk-like snouts, found in temperate Southern Hemisphere waters. Its living species are known as elephant fishes.

Connect

Chimaera: A group of cartilaginous fishes with upper jaws fused to the skull and tooth plates rather than replaceable teeth. Callorhinchus belongs to this group, whose body plan distinguishes it from sharks and rays.
Callorhinchus milii: A chimaera found around southern Australia and New Zealand, commonly called the Australian ghostshark or elephant fish. It is the best-known living species and the only Callorhinchus species in Australasian waters.
Benthic zone: The ecological region at the bottom of a body of water, including its surface and sediment. Callorhinchus forage near the seabed, where their snouts and tooth plates aid feeding.
Fishery: A human activity or operation that harvests fish and other aquatic organisms. Callorhinchus species are caught in some regional fisheries, especially around southern Australia and New Zealand.
IUCN Red List: A global assessment system that classifies species by their risk of extinction. Its assessments provide a framework for comparing conservation concerns among Callorhinchus species.
Holocephali: The cartilaginous-fish subclass containing chimaeras, including living and extinct forms. This broader lineage places Callorhinchus within the evolutionary history of chimaeras.
Callorhinchus callorynchus: A chimaera native to the southwestern Atlantic, including waters off southern South America. Its Atlantic range contrasts with the Australasian distribution of C. milii.
Electroreception: The detection of weak electrical fields produced by other organisms or the environment. Sensory pores in the snout help chimaeras locate prey hidden in sediment.
Bycatch: Non-target animals caught unintentionally during fishing operations. Callorhinchus can be caught alongside target species in trawl and other fisheries.
Population assessment: The estimation of a population's size, structure, distribution, and trend. Reliable estimates are needed to determine how fishing affects local elephant fish populations.