Description Of The Agonistic Behavior Of Aegla Longirostri (Decapoda: Aeglidae) Author Ayres-Peres, Luciane LAP, PBA) PPG em Biologia Animal, Laboratório de Carcinologia, Instituto de Biociências / Departamento de Zoologia, Universidade Federal do Rio Grande do Sul. Avenida Bento Gonçalves, 9500. Prédio 43435. Bairro Agronomia, CEP – 91501 - 970. Porto Alegre, RS, Brazil Author Araujo, Paula B. LAP, PBA) PPG em Biologia Animal, Laboratório de Carcinologia, Instituto de Biociências / Departamento de Zoologia, Universidade Federal do Rio Grande do Sul. Avenida Bento Gonçalves, 9500. Prédio 43435. Bairro Agronomia, CEP – 91501 - 970. Porto Alegre, RS, Brazil Author Santos, Sandro SS, correspondence, ssantos @ smail. ufsm. br) PPG em Biodiversidade Animal, Laboratório de Carcinologia, Departamento de Biologia, Universidade Federal de Santa Maria. Avenida Roraima, 1000. Bairro Camobi. CEP – 97105 - 900. Santa Maria, RS, Brazil text Journal Of Crustacean Biology 2011 31 3 379 388 journal article 304344 10.1651/10-3422.1 4e7a9f5d-895a-4405-b5bc-032692a1d7e0 7806409

Table 3. Definition of levels of aggression intensity shown by males of Aegla longirostri.

Level	Behavior	Definition
-2	Fleeing	Walking rapidly, away from the opponent, tail flipping against opponent, being
		caught, pulled, pushed, turned over, and/or climbed by opponent.
-1	Avoiding/Walking away	Walking slowly away from the opponent, without physical touch, and/or being
		touched by opponent.
0	Separated without displacement (without physical touch)	Animals remain not physically touching, without moving, and ignoring the
opponent.
1	Separated with moving (without physical touch)	Animals remain without physical touching, moving around the arena, with
		displacement or climbing the arena and ignoring the opponent.
2	Approaching (without physical contact)	Animals approach each other slowly and remain face to face for a short time.
3	Physical contact (not using chelae to hold)	Chasing, slapping, and whipping with antennae, touching and hitting with
chelipeds.
4	Physical contact (chelae used to hold)	Chelae used to pull, hold, and catch the opponent, displace the opponent with the
		body, turn, and go up on the opponent’s body, fight.
5	Intense combat	No restrictions to using chelae.