08/09/2026
Weekly Wonders of Ocean Free + Ocean Freedom 🪸
This week we feature the Blacktail Grubfish (Parapercis queenslandica). These little fish are bottom-dwellers, often found perched on sandy patches and rubble around coral reefs, where they can keep a close eye on their surroundings. Rather than constantly swimming through the water column, they tend to make short movements between resting spots, making them easy to overlook if you’re not looking closely! 🤿
Their name comes from the distinctive dark markings on the tail, while their elongated body and beautifully patterned face help them blend into the reef environment. 🎨🐠
Like other grubfish, they are predators, feeding on small crustaceans and other tiny creatures they can catch from the seafloor. They’ll patiently watch and wait before making a quick dash to grab their next meal! 🦐💨
And here’s a cool fact! Grubfish are hermaphroditic, meaning individuals can change s*x during their lives. In many species, larger individuals become males, helping maintain the right balance within their social groups. 🤯
Small, sneaky and easy to miss, the Blacktail Grubfish is a perfect reminder that there’s always something new to discover on the reef! 💙
Have you ever spotted one while diving or snorkelling the Great Barrier Reef?
📷 By Master Reef Guide - Ocean Freedom Matt
Master Reef Guides Australia Tropical North Queensland 🐠 Queensland Great Barrier Reef Marine Park Authority Instagramers of the Great Barrier Reef