Peacock Gudgeon Goby

Description

Thepeacock gudgeonorpeacock goby(Tateurndina ocellicauda) is atropicalfreshwaterspeciesof fish in the familyEleotridaethat isendemicto the eastern part ofPapua New Guinea. It can be found in schools hovering over the substrate in rivers and ponds. This species can reach a length of 7.5cm (3.0in). It is currently the only known member of itsgenus.

The Body coloration ofT. ocellicaudais blueish and silvery with pink, yellow and black marks along the body and fins. On the sides of the body there are red lateral dotted stripes and a yellow abdomen. On either side of the body, there is a single, large black spot near the start of the caudal fin.

Sexual dimorphism is present inTaterundina ocellicauda. The males will be slightly more colorful, develop a large nuchal hump on their foreheads, and will be somewhat larger than the females (7.5 cm as opposed to 5 cm).The females will have a more brightly colored yellow belly and will have a black bar running along the edges of their anal fins. The females also have a more streamlined body shape as opposed to the more round body shape seen in males.