1. Harmonic and temporal structure of electric organ discharges of the wave-type in Amazonian knifefishes (Gymnotiformes)

   • Leo Bernd Kramer

   Article 05 October 2018 Pages: 1 - 11

   

2. A matter of choice: substrate preference by burrow-digging males of a sand-dwelling spider

   • Andrea Albín
   • Gustavo Bardier
   • Anita Aisenberg

   Article 26 September 2018 Pages: 13 - 20

   

3. A nudibranch removes rival sperm with a disposable spiny penis

   • Ayami Sekizawa
   • Shin G. Goto
   • Yasuhiro Nakashima

   Article Open access 27 October 2018 Pages: 21 - 29

   

4. Individual variation and positive feedback initiate aggregation in Lasius japonicus

   • Shumpei Hisamoto

   Article 19 October 2018 Pages: 31 - 39

   

5. Food-sharing behaviour within a group of free-living Endangered Coimbra-Filho’s titi monkeys

   • João Pedro Souza-Alves
   • Renata R. D. Chagas
   • Bruna M. Bezerra

   Article 02 November 2018 Pages: 41 - 46

6. Personality influences habituation behaviour in ungulates

   • Rob Found

   Article 14 November 2018 Pages: 47 - 58

   

7. Effects of hydroelectric turbine noise on the behaviour of Leporinus taeniatus (Characiformes: Anostomidae) in captivity

   • Marina H. L. Duarte
   • Rafael M. C. Melo
   • Elizete Rizzo

   Article 22 November 2018 Pages: 59 - 65

   

8. Fighting behaviour in native fish: the Mexican mojarra (Cichlasoma istlanum) wins when confronted with the non-native convict cichlid fish (Amatitlania nigrofasciata)

   • M. Archundia
   • E. Arce

   Article 30 November 2018 Pages: 67 - 73

   

9. Condition dependence of advertisement calls in male African clawed frogs

   • Xiaocui Wang
   • Zhi-Jun Zhao
   • Jingfeng Chen

   Article 26 November 2018 Pages: 75 - 81

   

10. Brood parasitism of rosefinches by cuckoos: suitable host or accidental parasitism?

    • Jianping Liu
    • Canchao Yang
    • Wei Liang

    Article 13 December 2018 Pages: 83 - 92

    

11. Salinity and odor preferences of Japanese eel during the first year of post-recruitment growth in saline water

    • Nobuto Fukuda
    • Kazuki Yokouchi
    • Takashi Yada

    Article 19 December 2018 Pages: 93 - 99

    

12. Behavioural interference among eusocial naked mole rats during work

    • Nobuyuki Kutsukake
    • Masayuki Inada
    • Kazuo Okanoya

    Article 16 January 2019 Pages: 101 - 109

    

13. Unique numerical competence of Asian elephants on the relative numerosity judgment task

    • Naoko Irie
    • Mariko Hiraiwa-Hasegawa
    • Nobuyuki Kutsukake

    Short Communication Open access 22 October 2018 Pages: 111 - 115

    

14. Ground-hornbills (Bucorvus) show means-end understanding in a horizontal two-string discrimination task

    • Samara Danel
    • Auguste M. P. von Bayern
    • François Osiurak

    Short Communication 03 November 2018 Pages: 117 - 122

    

15. Correction to: Mating and aggressive behaviour of Brachyrhaphis olomina (Cyprinodontiformes: Poeciliidae)

    • Carlos A. Garita-Alvarado
    • Beatriz Naranjo-Elizondo
    • Gilbert Barrantes

    Correction Open access 31 December 2018 Pages: 123 - 123

16. Correction to: Influence of aging on brain and web characteristics of an orb web spider

    • Alain Pasquet
    • Camille Toscani
    • Mylène Anotaux

    Correction Open access 08 January 2019 Pages: 125 - 125

17. Correction to: Effect of social condition on behavioral development during early adult phase in Drosophila prolongata

    • Takashi Matsuo

    Correction Open access 08 January 2019 Pages: 127 - 127

18. Correction to: Olfactory discrimination of anal sac secretions in the domestic cat and the chemical profiles of the volatile compounds

    • Tamako Miyazaki
    • Takashi Nishimura
    • Masao Miyazaki

    Correction Open access 31 December 2018 Pages: 129 - 129

19. Correction to: Pre-ovipositional maternal care alleviates food stress of offspring in the flower beetle Dicronocephalus wallichii

    • Wataru Kojima
    • Chung-Ping Lin

    Correction Open access 31 December 2018 Pages: 131 - 131

20. Correction to: Ethological description of a fixed action pattern in a kissing bug (Triatominae): vision, gustation, proboscis extension and drinking of water and guava

    • Oscar Páez-Rondón
    • Elis Aldana
    • Fernando Otálora-Luna

    Correction Open access 31 December 2018 Pages: 133 - 133

21. Correction to: Responses to relaxed and reverse selection in strains artificially selected for duration of death‑feigning behavior in the red flour beetle, Tribolium castaneum

    • Kentarou Matsumura
    • Takahisa Miyatake

    Correction Open access 31 December 2018 Pages: 135 - 135

22. Correction to: Comparison of personality between juveniles and adults in clonal gecko species

    • Osamu Sakai

    Correction Open access 31 December 2018 Pages: 137 - 137