Physeter macrocephalus (Sperm Whale)
Physeter macrocephalus Linnaeus, 1758
The most conspicuous feature of this species is the head, which can measure more than a quarter of total body length and has a quadrangular shape (Mesnick, 2014). It shows sexual dimorphism, with males being heavier and larger (Whitehead, 2009). The body is a uniform dark gray color and may look…
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