Otopharynx sp. 'heterodon boadzulu' Boadzulu Island

Genus:	Otopharynx
Biotope:	Sandy areas of the intermediate habitat at a depth of about 35 m.
Geographic distribution:	Boadzulu Island, Lake Malawi.
Typical adult size:	Males up to about 17 cm total length; females up to about 13 cm total length.
Sexual dimorphism:	Breeding males show an orange hue over most of the flanks and a blue head; females are considerably smaller.
Breeding:	Territorial males defend the upper surfaces of low rocks; no spawning sites were observed on the sand.
Aggression:	Males are territorial.
Special notes:	Restricted to Boadzulu Island, which lies within the National Park and is not accessible to fish collectors.

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