Sleepy cod

Sleepy cod (Oxyeleotris lineolatus) is a species of gudgeon (small to medium-sized bottom-dwelling fish) native to Australia. It is a member of the family Eleotridae, commonly known as the sleepers or sleeper gobies.

Description

Sleepy cod are characterized by their elongated bodies and large, rounded pectoral fins. They are typically brown to olive in color, with a series of dark, horizontal stripes running along the length of their bodies. The average size of a mature sleepy cod is around 30 centimeters, but they can grow up to 50 centimeters in length.

Habitat and Distribution

Sleepy cod are found in the fresh and brackish waters of northern and eastern Australia, from the Fitzroy River in Western Australia to the Mary River in Queensland. They prefer slow-moving or still waters with plenty of cover, such as submerged logs or vegetation.

Diet and Behavior

Sleepy cod are carnivorous, feeding primarily on smaller fish and invertebrates. They are ambush predators, lying in wait for prey to come within striking distance. Despite their name, sleepy cod are not particularly lethargic; the name is thought to come from their habit of lying motionless when at rest.

Conservation Status

The sleepy cod is not currently considered to be at risk of extinction. However, like many freshwater species, it is potentially vulnerable to habitat loss and degradation, particularly from activities such as land clearing and water extraction.

In Aquaculture

Sleepy cod are sometimes kept in aquaculture for their meat, which is considered to be of high quality. They are also popular in the aquarium trade due to their interesting behavior and attractive appearance.

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