Nectamia annularis
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Kurtiformes
Family:	Apogonidae
Genus:	Nectamia
Species:	N. annularis
Binomial name
Nectamia annularis Rüppell, 1829 [2]
Synonyms
Apogon annularis Rüppell, 1829 Apogon erdmani Lachner, 1951

Nectamia annularis, also known as the tailring cardinalfish, is a marine fish belonging to the family Apogonidae or also called cardinalfishes.

Tailring cardinalfish is a small sized fish which grows up to 7 cm.^[3] Its body has an elongate appearance, compressed laterally and with a round profile. It has two translucide dorsal fins, one lateral line, a large mouth and big round eyes.^[4] Its body coloration is silver grey with a black ring around the caudal peduncle.

This species is found in tropical waters of the western part of the Indian Ocean, including the Red Sea, the Gulf of Aden and also the Maldives.^[2] They are found in shallow water near coral reefs up to 17 metres (56 ft) depth.^[1]

Nectamia annularis is a zooplankton-eater.^[3]

Tailring cardinalfish is a nocturnal species which when feeding, may be solitary or gather in small groups in shallow water above the coral reef. During daytime, they usually hide in reef crevices and caves.^[1]

• http://www.marinespecies.org/aphia.php?p=taxdetails&id=398503
• Photos of Nectamia annularis on Sealife Collection

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