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The region rostral to the cephalic groove, which separates the head and thorax region, is characterized by the presence of eyes, antennae and claws while the region caudal contains four pairs of walking legs. This is the crayfish's primary mode of locomotion. [2] [3] The abdominal section of the crayfish is divided into seven segments. These ...
The rostrum narrows anteriorly, appearing slightly pinched in the middle, with ridges typically of a rust-orange color, and marginal spines are present. The claws of this species may get quite large in proportion to body size, they have somewhat prominent tubercles , and there is a relatively significant gap between the fingers of the claws ...
The rostrum is short and in individuals over 50 mm (2.0 in) OCL usually does not reach the base of the third antenna segment. In those measuring 20–140 mm (0.79–5.51 in) OCL the rostrum is to the base or midpoint of that segment and, in some under 20 mm (0.79 in), goes to the end of the third segment. [4]
Compared to other species of crayfish in its range, L. chimera is a sizable crayfish. On average, adults of this species range from about 9.5 to 11.8 centimeters (or 3.7 to 4.7 inches) in body length, measuring from the anterior tip of the rostrum to the posterior tip of the telson.
The rostrum is short reaching at most the middle of the third segment of the antenna, often only to the base of that segment. The cephalon (head) is generally poorly to moderately spined with relatively few spines, of small size or rounded bumps. Sharp spines sometimes found on smaller specimens.
Today's Strands game deals with categories for dogs (which are based on each breed's characteristics and original purpose). NYT Strands Spangram Hint: Is it Vertical or Horizontal? Today's ...
Cherax holthuisi is a species of crayfish from the Bird's Head Peninsula in New Guinea. It grows to a total length of 81–93 mm (3.2–3.7 in) and is typically pink, orange or yellow in wild specimens. It was described in 2006 after animals circulating in the aquarium trade could not be assigned to any known species.
The Dougherty Plain cave crayfish grows to a length of about 53 millimetres (2.1 in) with antennae twice this length. It is a colourless species with unpigmented eyes, segmented cephalothorax and abdomen, a pair of slender chelae (claws) with a row or two of tubercles and long slender appendages. The rostrum is long and unadorned with tubercles ...