Southern stingray ~ The southern stingray, Dasyatis americana, is a stingray of the family Dasyatidae found in tropical and subtropical waters of the Western Atlantic Ocean from New Jersey to Brazil.

Southern stingray ~ The southern stingray, Dasyatis americana, is a stingray of the family Dasyatidae found in tropical and subtropical waters of the Western Atlantic Ocean from New Jersey to Brazil.

Leafy Seadragon - 08

Leafy Seadragon — A fish that drifts along looking like seaweed [10 pictures]

TRANSPARENT CRAYFISH -   Caves are some of  the darkest places on the planet – even sophisticated light-gathering  instruments are unable to register a single photon in the deepest,  darkest caves. Under these conditions, creatures including fish,  spiders, insects & crayfish have evolved into “troglobites”: animals  so precisely adapted to living in darkness that they cannot survive  outside cave environments. Under such conditions, neither eyes nor  pigmentation are necessary.  Other…

TRANSPARENT CRAYFISH - Caves are some of the darkest places on the planet – even sophisticated light-gathering instruments are unable to register a single photon in the deepest, darkest caves. Under these conditions, creatures including fish, spiders, insects & crayfish have evolved into “troglobites”: animals so precisely adapted to living in darkness that they cannot survive outside cave environments. Under such conditions, neither eyes nor pigmentation are necessary. Other…

Opisthobranchia - Nudibranchs - Sea Slugs meaning "naked gills" are molluscs without a hard shell.  All opisthobranchs are hermaphrodites.  These beautiful slugs are usually brilliantly coloured and this in itself can act as a deterrent against predators. Some sea slugs secrete acid from stinging cells in their tentacles while others secrete acid from cells in their mantle.

Opisthobranchia - Nudibranchs - Sea Slugs meaning "naked gills" are molluscs without a hard shell. All opisthobranchs are hermaphrodites. These beautiful slugs are usually brilliantly coloured and this in itself can act as a deterrent against predators. Some sea slugs secrete acid from stinging cells in their tentacles while others secrete acid from cells in their mantle.

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