Feeding Habit of Some Central African Freshwater Fishes

  title={Feeding Habit of Some Central African Freshwater Fishes},
  author={H. Matthes},
FISHES of the family Citharinidae, belonging to the genera Phago Steind., Eugnathichthys Blgr. and Belonophago Gilt. (Figs. 1–2), together forming part of the sub-family Ichthyoborinae, have an extremely specialized and curious feeding-habit, being, namely, fin-eaters. 
Observations on Phago loricatus, an ectoparasitic fish from the Niger Delta region of West Africa
Field observations show that Phago loricatus is parasitic, feeding on pieces bitten from the fins of other fishes, confirming an earlier finding of bits of fins in the stomachs of several species of Ichthyboridae. Expand
Trophic evolution in African citharinoid fishes (Teleostei: Characiformes) and the origin of intraordinal pterygophagy.
Overall diet preference transitions in the Citharinoidei were rare events with very few reversals or parallelisms, and that evolutionary shifts in trophic ecology have not played a major role in intraordinal diversification, contrasts with other groups in which dietary transitions have played key roles in species diversification. Expand
Diet of two serrasalmin species, Pygocentrus piraya and Serrasalmus brandtii (Teleostei: Characidae), along a stretch of the rio de Contas, Bahia, Brazil
Comparison of the diet composition of the two common piranha species in the Barragem da Pedra Reservoir showed a higher relative abundance of S. brandtii compared to P. piraya, and SerrasalmusBrandtii showed a greater feeding plasticity than P. Piraya. Expand
Grazing by the intertidal fish Anoplarchus purpurescens upon a distasteful polychaete worm
It is proposed that C. luxuriosa possesses a predation-deterring chemical similar to that reported in C. spirabrancha, and the ability of A. purpurescens to eat Cirriformia tentacles allows it to tap a seemingly little-used food source, and thus may decrease competition between A. PURPurescens and other intertidal fishes. Expand
Smilosicyopus leprurus (Teleostei: Gobiidae) is a Fin-eater.
The present study shows S. leprurus a fin-eater despite not feeding exclusively on fins, and 3D renderings of oral jaws of S. Leprurus were provided, which may provide the capability to shear the fin of its prey. Expand
DNA barcoding reveals novel insights into pterygophagy and prey selection in distichodontid fishes (Characiformes: Distichodontidae)
It is suggested that, despite the possession of highly specialized trophic anatomies, fin-eating distichodontids are opportunistic generalists, preying on fishes from a wide phylogenetic spectrum and to the extent of engaging in cannibalism. Expand
The ecology, distribution and diversity of fish species in Sierra Leone rivers and response to human impacts
  • A. Payne
  • Biology
  • Environmental Biology of Fishes
  • 2018
Understanding is probably now sufficient to allow a proper assessment of the conservation status of these previously poorly known species to be carried out, and understanding of the ecological characteristic of the fish species also allows the potential impacts of hydropower schemes and other commercial projects on the fish and fisheries to be assessed. Expand
A morphological supermatrix‐based phylogeny for the Neotropical fish superfamily Anostomoidea (Ostariophysi: Characiformes): phylogeny, missing data and homoplasy
Character distributions differ across the phylogeny, with a greater prevalence of homologies at deeper nodes and homoplasies nearer the tips than expected by chance, which may suggest early diversification into distinct bauplans with subsequent diversification of faster evolving character systems. Expand
Diversity and Adaptation in Fish Behaviour
This chapter discusses anti-Predator Behaviour, which involves selection and Preparation of Spawning Site, and how that affects the likelihood of detection by Predators. Expand
Design and microstructural analysis of magnesium alloys for dynamical applications
A microanalytical characterization of cast magnesium alloys of eutectic origin based on the Mg–Al–Ca ternary matrix system has been carried out in order to investigate the influence of alloyingExpand


Scale-eating Habits of African Cichlid Fishes
IN a recent communication, Marlier and Leleup1 have described how the Tanganyikan Cichlid fishes of the genus Plecodus deliberately attack other fishes and bite off the scales, which are their soleExpand
A Curious Ecological ‘Niche’ among the Fishes of Lake Tanganyika
PREVIOUS studies on certain Tanganyika Cichlids1 have shown that, in species of the genus Plecodus, the stomach content is often composed of fish scales. It was not known if this was an indication ofExpand
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