Eviota readerae
Encyclopedia
Eviota readerae is a species of goby
Goby
The gobies form the family Gobiidae, which is one of the largest families of fish, with more than 2,000 species in more than 200 genera. Most are relatively small, typically less than 10 cm in length...

 associated with reef
Reef
In nautical terminology, a reef is a rock, sandbar, or other feature lying beneath the surface of the water ....

s and tide pool
Tide pool
Tide pools are rocky pools by oceans that are filled with seawater. Many of these pools exist as separate entities only at low tide.Tide pools are habitats of uniquely adaptable animals that have engaged the special attention of naturalists and marine biologists, as well as philosophical...

s. It has a very limited distribution in the southwest Pacific, being found only on the Elizabeth
Elizabeth Reef
Elizabeth Reef is a coral reef in the Tasman Sea. The reef is separated by a deep oceanic pass, some 45 km wide, from nearby Middleton Reef, both of which are part of the underwater plateau known as the Lord Howe Rise. Elizabeth Reef is around 160 km from Lord Howe Island and...

 and Middleton
Middleton Reef
Middleton Reef is a coral reef in the Tasman Sea. It is separated by a deep oceanic pass some 45 km wide from nearby Elizabeth Reef, forming part of the Lord Howe Rise underwater plateau. Middleton Reef is around 220 km from Lord Howe Island and 555 km from the coast of New South...

 Reefs.

Like most members of its genus, this is a tiny fish, the standard length
Fish measurement
Fish measurement refers to the measuring of the length of individual fish and of various parts of their anatomy. These data are used in many areas of ichthyology, including taxonomy and fisheries biology.-Overall length:...

 never exceeding 18 mm. This is a pale species with a series of dark marks along the back. In juveniles these marks extend down below the midline, gradually being reduced to much smaller dark saddles in mature specimens. There is also a single black spot at the base of the pectoral fin.
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