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The female shrimp releases ova through a gono-pore which opens through labiate structures between the third walking legs. Fertilization takes place on the thelycum, a structure made up of modified sternal plates on the fourth and fifth thoracic segments.
- Raymond F. Sis, Dvm, PhD
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- Raymond F. Sis, Dvm, PhD
There are also appendages on the abdomen, called pleopods, which may be modified for swimming (swimmerets) and/or hold fertilized eggs (females). Most decapod crustaceans (with the exception of crabs) have a fan-shaped tail (called the telson) comprised of several uropods.
The shell consists of abdomen and pleura (outer part of the flesh) and pleopods and is considered as the body surface and has high chitin content.
1 Οκτ 2002 · Abstract. Male and female reproductive anatomy of a “spearer” mantis shrimp, Squilla empusa, is described using light and scanning electron microscopy as well as dissections. The genital region of females is located medially on the sixth thoracic sternite.
1.3 Penaeid shrimp morphology The body of P. merguiensis , banana shrimp, is pale yellow or translucent and speckled with reddish brown dots. The exterior of penaeid shrimps is distinguished by a cephalothorax with a characteristic hard rostrum, and by a segmented abdomen (Fig. 4) (Primavera, 1990).
9 Απρ 2023 · The segmental shrimp body of 19 somites is divided into a cephalothorax, protected by the carapace, and abdomen. Gills vary in structure (dendro-, phyllo-, and trichobranchs) among major shrimp taxa, as well as position (podo-, arthro-, and pleurobranchs) within the gill chamber.
21 Μαΐ 2019 · Caridean shrimps exhibit six different sexual systems: gonochorism (separate sexes), strict protandry, partial protandry with primary females, partial protandry with primary males, partial protandry with primary males and primary females, and protandric simultaneous hermaphroditism.
