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Cephalopod limbs bear numerous suckers along their ventral surface as in octopus, squid and cuttlefish arms and in clusters at the ends of the tentacles (if present), as in squid and cuttlefish. [9] Each sucker is usually circular and bowl-like and has two distinct parts: an outer shallow cavity called an infundibulum and a central hollow ...
Color change is widespread in ectotherms including anoles, frogs, mollusks, many fish, insects, and spiders. [49] The mechanism behind this color change can be either morphological or physiological. Morphological change is the result of a change in the density of pigment containing cells and tends to change over longer periods of time.
Cuttlefish with two tentacles and eight arms. In zoology, a tentacle is a flexible, mobile, and elongated organ present in some species of animals, most of them invertebrates. In animal anatomy, tentacles usually occur in one or more pairs. Anatomically, the tentacles of animals work mainly like muscular hydrostats. Most forms of tentacles are ...
NYT Strands Spangram Answer Today. Today's spangram answer on Thursday, January 16, 2025, is COCKTAILS. What Are Today’s NYT Strands Answers, Word List for Thursday, January 16? ZOMBIE. COSMOPOLITAN
Cuttlefish have large, W-shaped pupils, eight arms, and two tentacles furnished with denticulated suckers, with which they secure their prey. They generally range in size from 15 to 25 cm (6 to 10 in), with the largest species , the giant cuttlefish ( Sepia apama ), reaching 50 cm (20 in) in mantle length and over 10.5 kg (23 lb) in mass.
The arm crown of modern nautilids (genera Nautilus and Allonautilus) is very distinct in comparison to coleoids.Unlike the ten-armed Decabrachia or the eight-armed Octopodiformes, nautilus may possess any number of tentacles (cirri) from 50 to over 90 tentacles depending on the sex and individual.
Berghia stephanieae nudibranch body: Note the oral tentacles (ot), foot tentacles (ft), eye (e), rhinophores (r), and cerata (c). This species has cnidosacs (cn) at the cerata tips. Scale bar is 100 μm. The body forms of nudibranchs vary greatly.
It also has eight arms and two tentacles covered in suckers. Its body is “blunt” and “cylindrical,” reaching about 0.5 inches in length. Photos show the Ryukyu pygmy squid swimming and ...