alstonia vs Combtooth dogfish

Alstonia congensis compared with Centroscyllium nigrum

Taxonomic Classification

Rank	alstonia	Combtooth dogfish
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Elasmobranchii
Order	Gentianales (Gentianales)	Squaliformes (Squaliformes)
Family	Apocynaceae	Etmopteridae
Genus	Alstonia	Centroscyllium
Species	Alstonia congensis	Centroscyllium nigrum

Conservation Status

alstonia

LC — Least Concern

Combtooth dogfish

LC — Least Concern

Physical Characteristics

Attribute	alstonia	Combtooth dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

alstonia

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Guinea.

Combtooth dogfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

alstonia

The Alstonia (Alstonia congensis) is a species in the genus Alstonia. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Found in Guinea.

Combtooth dogfish

<em>Centroscyllium nigrum</em>, the combtooth dogfish, is a deep-sea shark in the family Etmopteridae, assessed as Least Concern on the IUCN Red List. The species has been recorded from Chilean waters in the southeastern Pacific Ocean, where it inhabits deep oceanic environments on continental slopes. Like other members of the genus <em>Centroscyllium</em>, it possesses a series of small, comb-like teeth suited for grasping slippery prey. The combtooth dogfish is a small shark, characteristic of the lanternshark family in its modest body size and deep-water lifestyle. It is presumed to feed on fish, cephalopods, and crustaceans encountered in the midwater and benthic zones of its deep-sea habitat. As with many deep-sea elasmobranchs, detailed information on its population size, reproductive biology, and ecological role is limited. The species is currently not considered at significant conservation risk. Specific body length and weight data are not available in the current record.