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The Crabeater seal spends 8-10 hours feeding, diving more than 100 times. The teeth of Crabeater seals are designed for the efficient eating of krill. Their teeth have many little points, which filter krill from the water. Crabeater seals molt, to become brown or gray. The color fades by the end of summer and they turn white.
Average Weight: 440 – 660 pounds (200 – 300 kilograms). Diet: Mostly Antarctic krill (Euphasia superba), – not crabs! Fish, squid, and other marine invertebrates make up a small part of their diet. Average lifespan in the wild: 20-40 years. IUCN Red List status: Least concern (2014).
Despite the relative plasticity observed in the diet of crabeater seals, it is unknown to what extent, and at what rate, crabeater seals might be able to switch to a more generalized diet, which might impact their fitness, given the ongoing environmental change along the wAP.
27 kwi 2020 · Crabeater seals exhibit extreme dietary specialization, feeding almost exclusively on Antarctic krill. This specialization has inextricably linked habitat use, life history and evolution of...
The crabeater seal (Lobodon carcinophaga), also known as the krill-eater seal, is a true seal with a circumpolar distribution around the coast of Antarctica. They are the only member of the genus Lobodon.
Diet: Krill, cephalopods, fish. Appearance: Light grey or white. How do Crabeater Seals feed? Crabeater Seals have a unique adaptation for feeding – they have evolved a sieve-like tooth structure that filter krill, somewhat like the baleens on Baleen Whales.
22 wrz 2018 · Females fast during the lactation period, losing up to 50 percent of their body weight. In turn, males also lose a significant proportion of their weight, when they help their partner and their offspring, and protect them from other surrounding rivals. Most Crabeater seals live for 20 to 25 years.
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