Arc-eye hawkfish (Paracirrhites arcatus) perched on algae (Microdyction sp.), Ailuk atoll, Marshall Islands, Pacific

water saltwater sea marine ocean underwater marine life fish southern hemisphere reef shallow resting hawkfishes perch microdyction algae day outdoors nature natural world tropical arc eye hawkfish arc eye hawkfishes close up close ups paracirrhites arcatus ailuk atoll marshall islands micronesia pacific horizontal