Basslet
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[Photo] A Blackcap Basslet, Gramma melacara taken in the Honduras. Black Cap Basslet, Roatan, Honduras. Image taken by Clark Anderson/Aquaimages.

The basslets are a small family, Grammatidae, of fishes in the order Perciformes. The twelve members (in two genera) are all small fish of the western Atlantic, typically no more than 10 cm in length. Several species are colorful and popular for marine aquaria. They can also change their gender.

Distinctive features include a lateral line divided into two subsegments or missing entirely, and a sizeable pectoral fin with one spine.

A number of other species may be called "basslets", in particular members of Serranidae, where they may be called "fairy basslets."

Species
There are twelve species in two genera:

Genus Gramma
Brazilian basslet, Gramma brasiliensis Sazima, Gasparini & Moura, 1998.
Yellowlined basslet, Gramma linki Starck & Colin, 1978.
Royal gramma, Gramma loreto Poey, 1868.
Blackcap basslet, Gramma melacara B??hlke & Randall, 1963.

Genus Lipogramma
Dusky basslet, Lipogramma anabantoides B??hlke, 1960.
Banded basslet, Lipogramma evides Robins & Colin, 1979.
Yellow basslet, Lipogramma flavescens Gilmore & Jones, 1988.
Bicolor basslet, Lipogramma klayi Randall, 1963.
Royal basslet, Lipogramma regium Robins & Colin, 1979.
Yellowbar basslet, Lipogramma robinsi Gilmore, 1997.
Rosy basslet, Lipogramma roseum Gilbert, 1979.
Threeline basslet, Lipogramma trilineatum Randall, 1963.

http://en.wikipedia.org/wiki/Basslet

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