Grand requin marteau vs Poisson tête de serpent

Sphyrna mokarran comparé à Channa argus

Taxonomy & Classification

Attribut	Grand requin marteau	Poisson tête de serpent
Nom scientifique	Sphyrna mokarran	Channa argus
Ordre	Carcharhiniformes	Perciformes
Famille	Sphyrnidae	Channidae
Conservation Status	Critically Endangered	Least Concern

Physical Traits

Attribut	Grand requin marteau	Poisson tête de serpent
Longueur maximale	610,0 cm	150,0 cm
Poids maximum	580,0 kg	8,0 kg
Couleur	Brownish-gray to olive-gray dorsal surface with a clean countershaded white belly; no distinct patterning; first dorsal fin is tall and strongly falcate; pelvic fin tips dusky.	Tawny-brown to pale golden-brown body with irregular dark brown to black blotches and saddles creating a cryptic camouflage pattern; belly is pale cream; long dorsal fin is mottled dark brown.

Habitat & Environment

Attribut	Grand requin marteau	Poisson tête de serpent
Type d'eau	Saltwater	Freshwater
Plage de profondeur	1-300m	—
Aire de répartition	Circumtropical in warm coastal and offshore waters of the Atlantic, Indian, and Pacific oceans. Concentrates around coral reefs, continental shelf edges, and deep-water drop-offs; population …	Native to river basins of China, Korea, and far-eastern Russia including the Amur River system. Introduced and now invasive in parts of the eastern United …
Habitat	Neritic	Rivers, lakes, and ponds of East Asia (China, Korea, Russia); invasive in North America. Tolerates oxygen-poor water (15-30°C); can breathe air. Inhabits densely vegetated shallows …

Informations sur la pêche

Attribut	Grand requin marteau	Poisson tête de serpent
Poisson de pêche sportive	Non	Oui
Cote de combativité	—	7/10
Record du monde	—	—
Teneur en mercure	—	—

Cuisine & Edibility

Grand requin marteau

Critically Endangered — consumption strongly discouraged. Fins are historically traded but the species faces severe population decline; eating this fish is ecologically irresponsible.

Poisson tête de serpent

Firm, white flesh with a mild flavor and low fat; valued in Asian cuisines, especially in soups and steamed preparations. An invasive species in North America where removal is encouraged.

Species Overview

Grand requin marteau

The great hammerhead is the largest of the nine hammerhead shark species. Its distinctive cephalofoil (hammer-shaped head) houses an array of electroreceptors that allow it to detect stingrays buried beneath the sand.

Poisson tête de serpent

The northern snakehead is an aggressive freshwater predator native to East Asia. It can breathe air and survive out of water for several days. Considered a destructive invasive species in North America, it provides exciting catch opportunities.