fuckyeahaquaria

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shumaan:

The Hawaiian Bobtail Squid, Euprymna scolopes, has a clever way of duping predators during its nightly activities. It uses a symbiotic luminescent bacteria, Vibrio fischeri, to light up its underside, so that upwards-looking predators don’t see a dark, edible form silhouetted against a moonlit or starlit sky. Instead, hungry sharks or other fish see only sky. The squid is invisible. This little magnificent beast helps us understand how our own bacteria symbiosis works. Kudos to you, beautiful squid!

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Sorry guys. I had the wrong blog selected.

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ferdiad:

Octopus vulgaris

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fyeah-seacreatures:

Cuttlefish.Marylin B5

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deboracpq:

Hello by zorella on Flickr.

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explosionsoflife:

Reaching a length of up to 20ft and a maximum weight of over 400lbs, the freshwater sawfish is indeed a freshwater giant. Found in countries like Africa, Australia, Pakistan and India, these fish have tooth-like denticles, called rostral teeth, that rest on either side of their rostrums. When sawfish are born, these denticles protrude less, and are covered by a tissue sheath so that they don’t injure the sawfish mothers during the birthing process. To find food, sawfish swing their snouts from side to side to separate invertebrates from the surfaces they live on and to stun schools of fish.
(source)

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kennytothedee:

Cute lil fish.

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ichthyologist:

Trimmatom nanus
Trimmatom nanus is a species of dwarf goby native to the Chagos Archipelago and the Maldives in the western Indian Ocean.
With adults growing to a total overall length of just over 10 mm (less than one-half inch), T. nanus was until 2004 the shortest known fish and vertebrate. The recent discovery of Schindleria brevipinguis (called the stout infantfish) relegated it to second place. After discovery of Paedocypris progenetica, Trimmatom nanus is on third place.
Image © Rick Winterbottom

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