Threefin blenny Threefin blenny Threefin or triplefin blennies are blennioids, small perciform marine fish of the family Tripterygiidae. Found in tropical and temperate waters of the Atlantic, Pacific and Indian Oceans, the family contains about 150 species in 30 genera. The family name derives from the Greek "tripteros" meaning "with three wings". With an elongated, typical blenny form, threefin blennies differ from their relatives by having a dorsal fin separated into three parts (hence the name); the first two are spinous. The small, slender pelvic fins are located underneath the throat and possess a single spine; the large anal fin may have
Red Sea goby Red Sea goby The Red Sea goby (Silhouettea aegyptia) is a species of true goby from the family Gobiidae. It was once a species confined to the Red Sea but it has colonised the Suez Canal and the south-eastern Mediterranean by Lessepsian migration. The Red Sea goby is marked with many dark vertical spots which have reddish brown edges on a cream background colour. There are 9 or 10 dark spots along the lateral line. It has a short snout and in males the first spine of the first dorsal fin is elongated. There are no scales on the head