sea-urchin in hand, tanzania, zanzibar - february 2019

2019 algae algi animals brittle coastal common coral echinoderms echinoidea echinus february fistfull fragile globular hand handfull hold infection injuries injury live ocean puncture sea seabed seaurchin seaurchins seaweed spines spiny sponge stings surfaces tanzania urchin urchins venomous water wounds zanzibar