El grouper kahi ʻano hermaphrodite proterogynous, i hōʻea i ka moekolohe ma ka makahiki o ʻelima a lilo i kāne mai ka makahiki he ʻumi, ʻoiai hiki i kekahi mau wahine ke noho pēlā no nā makahiki hou aku, a hiki i ka nui o ka nui.
No nā makahiki he ʻumi i hōʻoiaʻiʻo ʻia ke ola o nā mea hana i nā wahi ʻākau ʻē aʻe, e hōʻike ana ua hana ka hana hou ʻana ma kahi ʻākau aʻe ma mua o ka mea i manaʻo mua ʻia. Ua hōʻike ʻia nā noiʻi he nui eHāpai ka grouper i ka wahi i pale ʻia o nā Medes Islands.
ʻO ke ʻano o hānau ʻia i Iulai a hoʻomau ʻia a ʻAukake, pili pū me nā lā a puni ka mahina piha. ʻOiai ua nānā ʻia kekahi mau hiʻohiʻona e pili ana i ka hoʻohua hou ʻana, ʻaʻole i hōʻoia ʻia ka hana o ka hoʻokuʻu ʻana o nā huahana genital, akā nānā pono ʻia kēlā me kēia wahine o nā wahine ovate, ʻike ʻia e nā kiko e hoʻopuni ana i nā maka, i kūlike ʻole i loko o ʻelua mau kānaka, ua hōʻike ʻia kēia mau hōʻike hou ʻia i hakahaka o nā hua manu ma hope o kekahi mau lā. ʻO nā hua manu, e like me nā ʻano serranidae āpau. keikikāne pelagic.
Pili ka grouper i kahi a iʻa ikaika a kūpaʻa hoʻi. Nui ke poʻo, ka maka a me ka waha. Ua ʻoi aku ka iwi ā lalo o luna. Hāʻawi ka maxilla i kekahi mau unahi a me supermaxilla, kahi ʻano e puʻunaue ʻia me kāna mau congeners āpau a ʻokoʻa iā lākou mai ka genus Serranus.
He iʻa littoral ia, aloha ipo pōhaku i hana ʻia e nā ālai nunui ma waena o ia e loaʻa ai ia kahi e like me kāna ana. ʻO ka hohonu kahi e loaʻa ai ma waena o 5 a 400 mau mika, akā ʻo ka hoʻokaʻawale ʻana i ka bathymetric kahi hana o ke kekelē o ka lawaiʻa lawaiʻa a ia e hoʻokau ʻia ai.
Ka wale hānai ma cephalopods, nona ia i manaʻo i kahi predilection kūikawā, ʻoiai ʻaʻole ia e hoʻowahāwahā i nā crustacea a iʻa ʻē aʻe paha.
E lilo i mea mua e wehewehe