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Earthworm head. Lumbricus terrestris is relatively large, pinkish to reddish-brown in colour, generally 110–200 millimetres (4.3–7.9 in) in length and about 7–10 millimetres (0.28–0.39 in) in diameter. It has around 120–170 segments, often 135–150. The body is cylindrical in the cross section, except for the broad, flattened ...
The European nightcrawler (Dendrobaena hortensis) is a medium-small earthworm averaging about 1.5 g when fully grown. Generally blueish, pink-grey in color with a banded or striped appearance, the tips of their tails are often cream or pale yellow. When the species has not been feeding, it is pale pink. The species is usually found in deep ...
Description. C. amoenus is a small snake. Adults are 19–28 cm (7.5–11.0 in) in total length, with a record length of 34 cm (13 in). [5] The 13 rows of dorsal scales are smooth and glossy. It has five upper labials and one postocular scale. [6] C. amoenus is unpatterned and can be either brown or dark brown with a reddish belly.
A few species exhibit pseudogamous parthogenesis, meaning that mating is necessary to stimulate reproduction, even though no male genetic material passes to the offspring. [37] Earthworm mating occurs on the surface, most often at night. Earthworms are hermaphrodites; that is, they have both male and female sexual organs. The sexual organs are ...
The maximum length of a specimen is 10 cm (4 in). Worms raised in laboratory environment are slightly shorter, with 4 to 6 cm (1.57 - 2.36 in) long bodies. An adult individual has approximately 150 to 250 1.5 mm wide segments, [1] each of which has the ability to regenerate into a new individual when separated from the rest of the animal. In ...
Bipalium species are predatory.Some species prey on earthworms, while others may also feed on mollusks. [10] [11] These flatworms can track their prey. [12]When captured, earthworms begin to react to the attack, but the flatworm uses the muscles in its body, as well as sticky secretions, to attach itself to the earthworm to prevent escape.
Amynthas agrestis, the Asian jumping worm,[note 1] is a species of worm in the family Megascolecidae. [1] It has a smooth, glossy, grey or brown body with a milky-white clitellum, [2] and can range from 1.5 to 8 in (3.8 to 20.3 cm) in length. [2] Amynthas agrestis is native to Japan and the Korean Peninsula, and was introduced to North America ...
Teredo navalis has an elongated, reddish, wormlike body which is completely enclosed in a tunnel it has made in floating or submerged timber. At the front end of the animal are two triangular, calcareous plates. These are up to 2 cm ( in) long and correspond to the valves of other bivalve molluscs. They are white, with a covering of pale brown ...