Ostraciontidae, Lactoria fish

The picture below shows Lactoria cornutus, commonly known as long-horned boxfish and horned boxfish

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The body is slightly cube-shaped; the mouth is small and the lips are thick. The scales are specialized into bony scutes and the epidermis is rough. The juvenile fish looks like a small round ball with black spots on a yellow background; the adult fish has a pair of long spines above the eyes and below the abdomen, with 8 to 9 soft rays in the dorsal fin; 8 to 9 soft rays in the anal fin, and the body length can reach 46 cm. . Inhabiting coastal areas with slow currents, young fish occasionally enter the estuary. It is carnivorous and often blows away sand from the seabed in search of food. When frightened, the body secretes toxins.

Distributed in coral reef waters from the Indian Ocean to the Pacific Ocean. The body is thick and short, with a special structure similar to bone plates, forming a square (box-shaped) body structure. The shell of the bone plate is triangular, quadrangular, pentagonal, hexagonal, etc., so it is called "box fish". They feed on benthic animals such as sea squirts, sponges and soft corals. There are also fish species that feed primarily on algae.

In addition to deterring predators with its bony plates, boxfish species also secrete a toxic mucus. When threatened, the amount of mucus secreted will increase, causing the attacker to Extremely uncomfortable, give up the idea of ??attacking.

Pterapogon kauderni, Apogoninae, Pterapogon fish

The picture below shows Pterapogon kauderni, commonly known as Surabaya rose