Inter-population variation in the mating system of a substrate-breeding cichlid in lake tanganyika

Matsumoto, Kunihiko; Kohda, Masanori

doi:10.1007/bf02769291

Cited by 15 publications

(20 citation statements)

References 5 publications

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“…This fish is a substrate breeder with harempolygyny. In harems, females maintain territories for breeding against conspecific females and for foraging against various food competitors on sandy substrate (Matsumoto and Kohda, 1998). This fish feeds mainly on small shrimps 3-5 mm in size by pecking on the substrate.…”

Section: Methodsmentioning

confidence: 99%

“…This fish feeds mainly on small shrimps 3-5 mm in size by pecking on the substrate. Females ready to spawn build a spawning site in their territories, exclusively guarding the brood from predators (Matsumoto and Kohda, 1998).…”

Section: Methodsmentioning

confidence: 99%

“…TL was estimated underwater to the nearest 0.5 cm using a scale bar placed near the fish. In the study area, 54 females were recorded at the beginning of the study period (see Matsumoto and Kohda, 1998). Of these females, 35 individuals [TL (cm): range 8.5-10.5, average 9.5 Ϯ 0.5 SD] maintained territories [area (m 2 ): range 0.4-1.9, average 1.1 Ϯ 0.4 SD] during the study period.…”

Section: Methodsmentioning

confidence: 99%

“…This fish feeds on shrimps on the sandy bottom (M. Hori, unpublished data). Inside large territories of males, females maintain small feeding territories against many food competitors (Matsumoto and Kohda, 1998). The purpose of the present study was to clarify whether N. tetracanthus females change their territorial defense according to fish species.…”

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confidence: 99%

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Territorial defense against various food competitors in the Tanganyikan benthophagous cichlid Neolamprologus tetracanthus

Matsumoto

Kohda

2004

Ichthyol Res

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Territorial defense of nonbreeding female Neolamprologus tetracanthus, a shrimp-eating Tanganyikan cichlid, was investigated. Females defended territories (ϭhome ranges, ca. 1 m across) against a variety of intruding fishes. Conspecific females were usually attacked outside the territories, heterospecific benthivores (shrimp eaters) and omnivores near the border of the territories, and piscivores, algae and detritus feeders, and herbivores inside the territories. Females used some parts of the sandy substrate in the territories for foraging (foraging areas). Territorial defense prevented most of the conspecific females and benthivores from intruding into the foraging areas. In omnivores, piscivores, and algae and detritus feeders, about half the intruders were repelled from the foraging areas, although herbivores were infrequently repelled in the areas. Soon after removal of the resident females, many food competitors invaded the foraging areas and eagerly devoured prey, suggesting that the territories are maintained for food resource protection from these competitors. Females are likely to discriminate intruding fishes and change their territorial defense primarily on the basis of the degree of dietary overlap, resulting in monofunctional serial territories.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

See 2 more Smart Citations

Territorial defense against various food competitors in the Tanganyikan benthophagous cichlid Neolamprologus tetracanthus

Matsumoto

Kohda

2004

Ichthyol Res

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“…Many of the behavioral differences observed among populations have proven to be heritable and subject to the same evolutionary forces as other aspects of the phenotype (Foster and Endler, 1999). In fish species, geographic variation among populations in some traits in relation to reproduction has been reported in recent years, e.g., female preferences for male traits in Poecilia reticulata (Endler and Houde, 1995), the mating system in Neolamprologus tetracanthus (Matsumoto and Kohda, 1998), and behavioral characteristics of courtship behavior in Gasterosteus aculeatus (Ishikawa and Mori, 2000).…”

Section: Resultsmentioning

confidence: 98%

Stereotyped sequence of mating behavior in the Far Eastern catfish, Silurus asotus , from Lake Biwa

Maehata¹

2002

Ichthyological Research

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Mating behavior of the Far Eastern catfish, Silurus asotus (Siluriformes: Siluridae), was observed in a ricefield system facing the shore of Lake Biwa in mid-May to early June in 1990-1997. A set behavioral sequence similar to those of two other silurid fishes, S. biwaensis and S. lithophilus, both endemic to the Lake Biwa system, was observed: "chasing," "clinging," "enfolding" while "squeezing" by the male, and "circling" by the spawning pair. This form of mating behavior is quite different from that of S. asotus reported from the Ooi River system in Kyoto Prefecture, which mainly spawns in running water in ditches.

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Same school, different conduct: rates of multiple paternity vary within a mixed‐species breeding school of semi‐pelagic cichlid fish (Cyprichromisspp.)

Anderson

Werdenig

Koblmüller

et al. 2015

Ecology and Evolution

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Mating system variability is known to exist between and within species, often due to environmental influences. An open question is whether, vice versa, similar environmental conditions entail congruent mating behavior, for example in terms of multiple paternity, in species or populations sharing largely comparable breeding modes. This study employed microsatellite markers to investigate the incidence of multiple paternity in Cyprichromis coloratus and Cyprichromis leptosoma, two sympatric, closely related, mouthbrooding Lake Tanganyika cichlids with similar ecological and behavioral characteristics including the formation of open‐water schools. Mouthbrooding females of both species were collected from the same mixed‐species breeding school at the same time, minimizing environmental variation during courtship and mating. In C. coloratus, four of 12 broods had more than one sire, with a mean of 1.33 reconstructed sires per brood. C. leptosoma exhibited multiple paternity in 18 of 22 broods, with a mean of 2.59 or 2.86 reconstructed sires per brood according to the programs gerud and colony, respectively. In addition, two broods were found to contain offspring transplanted from another brood. There was no significant difference in brood size between species, but mean sire number did differ significantly. Hence, substantial similarity in reproductive behavior along with shared environmental conditions during courtship and spawning did not lead to equal rates of polyandry or sneaking in the two species.

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Inter-population variation in the mating system of a substrate-breeding cichlid in lake tanganyika

Cited by 15 publications

References 5 publications

Territorial defense against various food competitors in the Tanganyikan benthophagous cichlid Neolamprologus tetracanthus

Territorial defense against various food competitors in the Tanganyikan benthophagous cichlid Neolamprologus tetracanthus

Stereotyped sequence of mating behavior in the Far Eastern catfish, Silurus asotus , from Lake Biwa

Same school, different conduct: rates of multiple paternity vary within a mixed‐species breeding school of semi‐pelagic cichlid fish (Cyprichromisspp.)

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