| Nilsson didn't think to look for low-oxygen tolerance at reefs until he began to observe mouth brooding in cardinalfish around Lizard Island on Australia's Great Barrier Reef. |
| A night dive here revealed night shrimp, hatchetfish, cardinalfish and a Spanish lobster. |
| The cardinalfish family Apogonidae is best known for its marine members, which includes more than 300 species worldwide, mainly in tropical latitudes. |
| Inside, I find shoals of cardinalfish, then on the hull some nosy red pigfish and resting goatfish. |
| At reefs broadcasting sound, about 80 larvae of the cardinalfish family showed up in a typical night. |
| A new species of the deepwater cardinalfish genus Epigonus from the Gulf of Aqaba, Red Sea. |
