caa a22 4500 477116140 CHVBK 20180405111623.0 cr unu---uuuuu 170330e19960401xx s 000 0 eng 10.1007/BF00002529 doi (NATIONALLICENCE)springer-10.1007/BF00002529 Mol Jan University of Suriname, CELOS, P.O.B. 9212, Paramaribo, Suriname aut Reproductive seasonality and nest-site differentiation in three closely related armoured catfishes (Siluriformes: Callichthyidae) [Elektronische Daten] [Jan Mol] Synopsis: Three sympatric, closely related armoured catfishes showed a similar, bimodal breeding season in coastal plain swamps in Suriname (South America). The bimodal pattern of reproduction inCallichthys callichthys,Hoplosternum littorale andHoplosternum thoracatum was correlated to the annual distribution of rainfall. Floating bubble nests were constructed throughout the period of swamp inundation (rainy season). Close inspection of the timing of reproduction ofH. littorale in northern South America revealed the relationship between reproduction and rainfall, but also unexpected differences in the length of the breeding season. Strong interspecific competition among the three species was probably avoided through differentiation of nest sites with respect to water depth, distance to the nearest tree, distance to the edge of the swamp, and cover above the nest. Nests ofH. littorale were built in herbaceous swamps, whileC. callichthys andH. thoracatum build their nests in swamp-forest. Nests ofC. callichthys were observed in extremely shallow water or in holes. Few nests of the three species were observed in canals. Over large parts of their geographical rangeC. callichthys andH. thoracatum are found in small rainforest streams. Several aspects of the reproductive ecology and behaviour of both species are probably related to the unpredictability of the stream habitat. Kluwer Academic Publishers, 1996 Hoplosternum littorale nationallicence Hoplosternum thoracatum nationallicence Callichthys callichthys nationallicence Breeding season nationallicence Interspecific competition nationallicence Habitat selection nationallicence Resource partitioning nationallicence Suriname nationallicence Environmental Biology of Fishes Kluwer Academic Publishers 45/4(1996-04-01), 363-381 0378-1909 45:4<363 1996 45 10641 https://doi.org/10.1007/BF00002529 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00002529 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Mol Jan University of Suriname, CELOS, P.O.B. 9212, Paramaribo, Suriname aut NATIONALLICENCE 773 0- Environmental Biology of Fishes Kluwer Academic Publishers 45/4(1996-04-01), 363-381 0378-1909 45:4<363 1996 45 10641 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer