Tag: Nocturnal
Materials found: 8
Black-blotched Porcupinefish
A large porcupinefish reaching up to 65 cm in length with short, immobile spines, sandy-brown coloration, and large dark spots. Can inflate when threatened. Contains tetrodotoxin.
Diodon liturosus
Blue Sea Star
A bright blue sea star, usually with five rays, up to 30 cm. Inhabits reefs, among coral debris, and on sandy bottoms of the tropical Indo-Pacific region.
Linckia laevigata
Hiby's Coriocella (Velvet Snail)
Hiby's coriocella (velvet snail) is a marine gastropod mollusk of the Velutinidae family. It has a shell, but it is hidden by mantle folds, so externally the animal resembles a sea slug and in nature often mimics a sponge.
Coriocella hibyae
Crown-of-thorns Starfish
A large coral-eating sea star with numerous poisonous spines and 12–19 rays. Feeds on living corals and during population outbreaks can cause serious damage to reefs.
Acanthaster planci
Fimbriated Moray
A medium-sized moray with a cream-white body covered with numerous dark spots and a characteristic yellowish-green head. Inhabits coral reefs and leads a predominantly nocturnal lifestyle, hunting fish and crustaceans.
Gymnothorax fimbriatus
Giant Moray
The largest of the morays, reaching up to 3 m in length and weighing about 30 kg. Has yellow-brown coloration with large dark spots and inhabits coral reefs, leading a predominantly nocturnal lifestyle.
Gymnothorax javanicus
Humpnose Big-eye Bream
A large reef fish with a silvery-blue body, large eyes, and a characteristic yellowish spot behind the eye. Inhabits near coral reefs, found singly or in small groups, and is active predominantly at night.
Monotaxis grandoculis
Lambert's Worm Sea Cucumber
A thin worm-like sea cucumber of whitish color, often forming dense aggregations on sponges and corals. Feeds on organic particles and detritus, collecting them from the substrate surface using tentacles.
Synaptula lamperti