Striped Large-eye Bream [Gnathodentex aureolineatus]

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Striped Large-eye Bream, Gnathodentex aureolineatus. Easily recognized from a yellow blotch on the back. Inhabits subtidal reef flats, lagoons, and seaward reefs. May be solitary or in groups. Sometimes forms aggregations of about a hundred or more individuals. Feeds at night on benthic invertebrates like crabs and gastropods, occasionally on small fish. Indo-Pacific: East Africa to the Tuamoto Islands (excluding the Hawaiian Islands), north to Japan, south to Australia. Recently reported from Norfolk Island. Wikipedia doesn’t have an article on this fish.

 Pictures: Cook Islands by Sami Salmenkivi

Common Seahorse [Hippocampus Taeniopterus or Hippocampus Kuda]

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Sea horse

Female Common Seahorses are usually yellow with a few large dark spots. Males are grey to brown with striations on the head and fine dark spots on the trunk. The Common Seahorse is listed in many references as H. kuda. Hippocampus kuda, also known as the common seahorse, estuary seahorse, or yellow seahorse is a member of the family Syngnathidae (seahorses and pipefishes) of the order Syngnathiformes. The common sea horse is a small, equine-like fish, with extraordinary breeding methods.[3] Greeks and Romans believed the seahorse was an attribute of the sea god Poseidon/Neptune, and the seahorse was considered a symbol of strength and power. Europeans believed that the seahorse carried the souls of deceased sailors to the underworld – giving them safe passage and protection until they met their soul’s destination. The common seahorse is considered a vulnerable species.

The common seahorse can be found in a variety of habitats in the shallow coastal waters of the Indo-Pacific, including coral reefs, muddy slopes, and shallow estuaries.The common seahorse has been observed to use its prehensile tail to anchor itself to coral branches or floating sargassum in the wild.

 Pictures: Sulawesi, Indonesia by Sami Salmenkivi

Bigeye Yellow Snapper [Lutjanus lutjanus]

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bream

The Bigeye snapper or Bigeye Yellow Snapper, Lutjanus lutjanus, is a snapper in the family Lutjanidae found in the Indian Ocean and tropical western Pacific Ocean at depths of up to 96 m.

Its color is silver white with a yellow stripe from the eye to base of caudal fin. The fins are yellow. It reaches a maximum length of 35 cm.

The bigeye snapper is a highly prized, commercially trawled fish and generally fetches a high price in the marketplace.

 Pictures: Papua, Indonesia by Sami Salmenkivi

Yellowtail fusilier [Caesio cuning]

1 Caesio cuning Yellowtail fusilier

Yellowtail fusilier, Caesio cuning. Upper body if not yellow, grayish blue; lower sides and belly white or pinkish. Pectoral, pelvic and anal fins white to pink. Large yellow tail. Dorsal fin yellow posteriorly and grayish blue anteriorly. Length usually at 35 cm.

 Pictures: Papua, Indonesia by Sami Salmenkivi

Dark-Banded Fusilier [Pterocaesio tile]

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Pterocaesio tile, common name Dark-banded fusilier, Blue-streak Fusilier, Bartail fusilier and Neon Fusilier, is a fish belonging to the family Caesionidae. Pterocaesio tile can reach a length of 25 centimetres (9.8 in). The back of the body is dark blue, while the flanks show a bluish green strike with a black stripe along the lateral line. The lower third of the body varies from white to pinkish. The lower half of the body turns bright red at night (hence the common name Neon Fusilier). It is oviparous and non-migratory. Pterocaesio tile feeds on zooplankton and is relatively rare.

 Pictures: Top: Australia, Bottom: Papua, Indonesia by Sami Salmenkivi

Spottailed Squirrelfish [Sargocentron caudimaculatum]

soldier fish

Spottailed Squirrelfish or Silverspot Squirrelfish, Sargocentron caudimaculatum is one of the most common of the squirrelfishes that occurs in outer reef areas, also encountered in lagoons and drop-offs from less than 2 to 40 m; either solitary or in groups. Nocturnal, feeds mainly on benthic crabs and shrimps.

 Pictures: Papua, Indonesia by Sami Salmenkivi

Fivelined Cardinalfish [Cheilodipterus quinquelineatus]

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Fivelined Cardinalfish, Cheilodipterus quinquelineatus has black stripes on white body and a distinct yellow tail with a black spot. Inhabits reef flats and lagoon and seaward reefs to a depth of 40 m or more. Occurs singly or in small to large aggregations, taking shelter in dark crevices, branched coral, under ledges, and among the spines of Diadema setosum. Nocturnal species. Feeds on small crustaceans and gastropods, also on small fishes.

 Pictures: Papua, Indonesia by Sami Salmenkivi

Orbiculate cardinalfish [Sphaeramia orbicularis]

cardinal fish

The Orbiculate cardinalfish, Sphaeramia orbicularis is a species of cardinalfish. It grows to about 10 centimeters total length, and has a thin, dark vertical ‘waistband’ with scattered dark spots toward the tail. It is found in coastal areas throughout much of the Indo-Pacific, including East Africa, Kiribati, the Ryukyu Islands, New Caledonia, Belau, and the eastern Caroline and Mariana Islands. The male incubates the eggs until they hatch. It eats mostly planktonic crustaceans, mainly at night. While it is not a common marine aquarium fish, it can be a good for beginners.

 Pictures: Papua, Indonesia by Sami Salmenkivi

Fire Dartfish [Nemateleotris magnifica]

dartfish

The Fire Goby, Fire Fish, Fire Dartfish, or Red Fire Goby is a marine dartfish. This fish is most commonly found near the substrate of the upper reef in tropical marine waters. These waters include the Indo-Pacific, Central Pacific, east African waters, Ryukyu Islands, Japan, New Caledonia, and Pitcairn Islands.[1] They swim as deep below the surface as 70 meters, and usually hover directly above the ocean floor, facing the current to catch their prey.[1] They eat mostly copepods, zooplankton, and crustacean larvae. They usually have a bright yellow head, merging into a white body, gradually shading into a red-orange tail. Their dorsal fins are very long, and the fish flicks it back and forth. This is used as a signal to conspecifics. As a full grown adult, it reaches a maximum length of 9 centimeters (3 in). Adults occupy sandy burrows alone or in pairs, while the juveniles live in small groups. These fish are monogamous. They will retreat to burrows if threatened.

 Pictures: Phillipines by Sami Salmenkivi