Honeycomb Rabbitfish
Siganus Stellatus
Reefs
Indian Ocean, Tropical Pacific
About
Overview
The Honeycomb Rabbitfish (Siganus stellatus) is a reef-associated marine fish recognized for its distinctive pattern of small, dark, closely set spots. Like other members of the Siganidae family, it possesses venomous spines that require caution, particularly when handling juveniles.
Appearance
This species features a deep, laterally compressed body with a generally yellowish background color, though variations exist. Its head and body are covered in small, dark brown to black hexagonal spots that create a honeycomb-like appearance. Key diagnostic features include a silvery iris with ten evenly spaced spots, and paler trailing edges on the dorsal, anal, and caudal fins. The caudal peduncle also typically displays a noticeably lighter saddle-like marking.
Distribution & Habitat
The Honeycomb Rabbitfish is found throughout the Indian Ocean, ranging from the Red Sea and the eastern coast of Africa to the Andaman Sea. It is primarily a reef-associated species, commonly inhabiting coral reefs and rocky substrates. While adults are typically found in reef environments, juveniles are known to frequent weedy estuaries.
Biology & Behavior
This species exhibits age-dependent social behavior, with juveniles and subadults often forming schools, while adults are typically observed in pairs. It is an herbivorous fish that feeds primarily on benthic seaweeds. The species is considered venomous, with venom glands located in the glandular grooves of its spines.
Distribution
Based on iNaturalist community observations