Giant Trevally

Caranx ignobilis 

Habitat & Distribution :  Indo-Pacific Ocean 

Diet : Small fish, crustaceans, squid 

Size : 1-1,7 m 

Lifespan : 25 years

Description

The largest species of trevally among the Caranx genus, reaching a length of 170 cm and a weight of up to 80 kg. Its distinctive features include its prominent head, strong tail scales, and predominantly silvery body, although black males are sometimes found. 

Behavior

This fish can also be found in brackish and even freshwater waters as both juveniles and adults, spawning or foraging. In its various habitats, the giant trevally is an apex predator, hunting both alone and in groups. It sometimes follows larger animals to help corner prey. As adults, it tends to live alone except during the mating season. 

Reproduction

They spawn in large aggregations, typically during warmer months and during specific lunar cycles, releasing thousands of pelagic, clear eggs. Spawning occurs at outer reefs or reef passes, and their larvae drift for over a month  

Communication & Perception

Giant trevally communication is primarily visual and behavioral, characterized by rapid color changes, social signaling, and aggressive displays 

Predator(s)

Sharks, Crocodiles, Groupers