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Coloration is a grayish blue-green dorsally, fading to white on the lower sides and belly. Its single row of teeth in each jaw is uniform in size, knife-edged, and sharp. Bluefish commonly range in size from seven-inch (18-cm) "snappers" to much larger, sometimes weighing as much as 40 lb (18 kg), though fish heavier than 20 lb (9 kg) are ...
Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder. [2] Its lengthy grinding and washing process makes the natural pigment quite valuable—roughly ten times more expensive than the stone it comes from and as expensive as gold.
Lobsters are nocturnal and come out at night to hunt for prey such as crabs, clams, mussels, sea urchins, and small fish. Blue lobsters can be cooked and eaten just as other lobsters can. In fact ...
Girella cyanea, also known as the blue drummer or Australian bluefish, is a species of sea chub native to inshore waters, around 6 metres (20 ft) depth, from Australia to New Zealand and the Kermadec Islands.
“Great blue herons are excellent hunters,” reads the caption, “but can sometimes be a poor judge of size. They will occasionally choke to death on a fish that is too big to swallow. Luckily ...
Blue-pigmented organelles, known as "cyanosomes", exist in the chromatophores of at least two fish species, the mandarin fish and the picturesque dragonet. [42] More commonly, blueness in animals is a structural colouration ; an optical interference effect induced by organized nanometre-sized scales or fibres.
Besides the intense aquarium trade, the rapid expansion of lionfish in the Caribbean and the Atlantic coast, is the greatest threat to the blue chromis, as well as several other tropical fish native to the Caribbean. Furthermore, the loss of live corals could have a definite impact on the species, though this has yet to be investigated more ...
Blue Angelfish has an overall aqua hue with a yellow shimmer and yellow edges on the fins and scales. The Blue Angelfish does not have the striking blue crown or other blue highlights of the Queen Angelfish. This species has been known to reproduce with the Queen Angelfish, making a half breed that looks like a mixture between the two species.