Alex Mustard / A male sea cucumber (Holothuria tubulosa) rears up from the seabed and releases a stream of sperm. Spawning of this species has been reported to be synchronised with lunar phases, however this photo w...
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Alex Mustard / A male sea cucumber (Holothuria tubulosa) rears up from the seabed and releases a stream of sperm. Spawning of this species has been reported to be synchronised with lunar phases, however this photo w...
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Dimitris Poursanidis / Sea cucumber (Holothuria tubulosa) in seagrass meadow. Skyros, North Aegean, Greece.
