Sakaramy killifish

The Sakaramy killifish is named after the river in which it occurs - the Sakaramy - in the Ambohitra massif in the north of Madagascar.
Sakaramy killifish only have a small distribution area in Madagascar, were discovered in 1928, but were not sighted again until 1990. Today, the Sakaramy killifish are classified as "endangered".
The females tend to swim slowly in a stop-go pattern, while the males are in constant, active movement in their habitat. Territorial behavior has not been observed to date, although courtship and spawning have occurred. This indicates a mating system in which males do not fight for access to mature females or for control of spawning sites. No aggressive behavior was observed between the males. Nevertheless, males show bite marks, indicating occasional fighting.

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