Science Communication · YouTube video

Mussels & Parasites: an ecosystem in danger 🐚 [3 min]

#3MT Rhodes University 🇿🇦 - Science Communication Video submitted for the #3MT Competition at Rhodes University 🇿🇦 in September 2023. https://www.youtube.com/watch?v=AobaaNVpWTA&t=1s Just picture it: You have only 3 minutes to present the research that took you three years (or more) to conduct from start to finish. And you must do it in a clear, compelling, and… Continue reading Mussels & Parasites: an ecosystem in danger 🐚 [3 min]

Marine Birds · Oystercatchers · South Africa

African black oystercatcher (Haematopus moquini)

A couple of African black oystercatcher on mussel beds and worm reefs. Old Woman's River, Eastern Cape (2018) - iNaturalist A large dumpy, unmistakable wader with its jet-black body, short pink legs and bright orange-red bill and eyes.Birds occasionally have white patches on the belly or entire plumage dove-grey. Male's bill averages shorter and less… Continue reading African black oystercatcher (Haematopus moquini)

Bivalves · Marine Life

Brown mussel (Perna perna)

Eroded and less eroded brown mussels in a bed. Old Woman's River, Eastern Cape (2018). Shell smooth and yellow-brown, sometimes tinged with green or with a chevron pattern. Specimens from crowded intertidal beds often very elongated and almost rectangular in cross-section. Submerged, fast-growing specimens are taller and narrower. Up to 125 mm. The dominant mussel… Continue reading Brown mussel (Perna perna)

Bivalves · Marine Life · South Africa

Mediterranean mussel (Mytilus galloprovincialis)

Mediterranean mussel bed surrounded by algae of all sorts. Yzerfontein, Western Cape (2020). Shell smooth, typically black or blue, shading to brown on the lower surface, but rarely light brown. Broad in cross-section and usually widest at base. Distinguished from Choromytilus meridionalis by pits in the resilial ridge. Up to 140 mm. Thought to be… Continue reading Mediterranean mussel (Mytilus galloprovincialis)

Bivalves · Marine Life

Ribbed mussel (Aulacomya atra)

Lone eroded mussel in a rock crevice. Hondeklipbaai, Northern Cape (2020) - iNaturalist Easily recognised by the strong wavy ridges running the length of the shell. Shell brown in juvenile, but becomes blue-black in larger individuals. Eroded areas are white. Up to 90 mm. Forms extensive beds low in the intertidal and on rocky reefs… Continue reading Ribbed mussel (Aulacomya atra)

Echinoderms · Marine Life · South Africa · Starfish

African spiny starfish (Marthasterias africana)

Hunting bluish and orange spiny starfish. Port Alfred, Eastern Cape (2022) - iNaturalist Body salmon-pink, orange, deep blue or blue-grey. Aboral (dorsal) surface irregular, covered in conspicuous spines, each surrounded by a halo of minute pincer-like organs (called pedicellaria) that are used to keep the body surface clean. Tube-feet in 4 series. Small red eyespot… Continue reading African spiny starfish (Marthasterias africana)