Anhingidae manyan tsuntsaye ne da jima'i dimorphic gashin tsuntsaye. Suna auna kimanin 80 zuwa 100 cm (2.6 zuwa 3.3 ft) a tsawon, tare da fuka-fuki a kusa da 120 cm (3.9 ft), kuma suna auna kimanin 1,050 zuwa 1,350 grams (37 zuwa 48 oz). Maza suna da baƙar fata da launin ruwan kasa mai launin ruwan kasa, wani ɗan gajeren tsinkaye a kan wuyansa da ƙugiya da ya fi girma fiye da mace. Mata suna da ƙuƙwalwa mai yawa, musamman a kan wuyansa da ƙananan sassan, kuma sun fi girma. Dukansu suna da launin toka mai launin toka a kan dogon kullun da kuma fuka-fuki na sama. Ƙunƙarar ƙugiya yana da ƙuƙwalwar ƙuƙwalwar ƙuƙwalwa, wanda ya nuna ƙuƙwalwar ƙuƙwalwa da ƙuƙwalwar ƙuƙwalwa.
launin toka mai launin toka a kan dogon scapulars da kuma saman fuka-fuki