Research Regarding Somatic Measurements at River Lobster Males (Astacus Fluviatilis)

Marian Bura, Eliza Simiz, Ioan Banatean-Dunea, Iosif Sorin Tizler

Abstract


The body measurements was made on 20 males of river lobsters (Astacus fluviatilis or Astacus astacus). The lobsters on witch the study was made had an average total length of body of 12.72 cm ±0.19 cm (formed from: 6.07±0.10cm the length of cefalothorax, 4.73 ±0.10 cm the length of abdomen and 1.91 ±0.07 cm length of telson), and a body weight of 55.70±3.07 g. the males present a length of feelers of 8.53±0.34 cm, a antennas of 2.20±0.05 cm, and the stem of the eyes of 0.51±0.02 cm. The body of male present a average width of 3.35±0.07 cm at level of cefalothorax, and 2.40±0.05 cm at abdomen level. Average deepness of cefalothorax was 2.85±0.07cm, and abdomen deepness of 1.34±0.03cm. The 5 pairs of periopode had an average length of 10.91±0.42 cm, 6.06±0.22 cm, 7.21±0.21 cm, 6.57±0.16 cm and 5.85±0.15cm. The average length of pleopods was at first pear of 2.00±0.06 cm, at second pair of 2.11±0.05 cm, at third of 1.85±0.05 cm, at fourth of 1.73±0.04 cm and at fifth pair of 1.55±0.04 cm.

Keywords


river lobster (Astacus fluviatilis); somatic measurements; body measures

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LUCRARI STIINTIFICE ZOOTEHNIE SI BIOTEHNOLOGII (SCIENTIFIC PAPERS ANIMAL SCIENCE AND BIOTECHNOLOGIES)

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