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Category: Killi Science

Killi-related science news. Where available abstracts and links to freely available papers are included.

So your Notho fry are belly sliding. Think you know the cause?

So your Notho fry are belly sliding. Think you know the cause?

Swim bladder as a primary site of mycobacterial infection in Nothobranchius ‘belly sliders’ I. Dyková, J. Žák, M. Reichard , K. Součková, O. Slabý, R. Blažek ABSTRACT: The swim bladder inflates early after fish hatching via its interconnection with the digestive tract (ductus pneumaticus). This interconnection may serve as a portal to foreign particles, including bacteria, causing deficiencies in primary swim bladder inflation. We histologicallyexamined 134 African annual killifish (genus Nothobranchius) with secondary loss of swim bladder function (‘belly sliders’)….

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Reproductive behaviour and the effects of substrate on the reproduction of annual killifish (Hypsolebias flagellatus)

Reproductive behaviour and the effects of substrate on the reproduction of annual killifish (Hypsolebias flagellatus)

Gustavo Soares da Costa Júlio, Lucas Pedro Gonçalves Junior, Fabio A. C. Santos, Luciano Medeiros de Araujo, Angélica da Silva Vasconcellos, Ronald Kennedy LuzFirst published: 04 June 2021 https://doi.org/10.1111/are.15365 Abstract This work aimed to evaluate two types of substrate for egg production by annual killifish (Hypsolebias flagellatus) and to describe the reproductive behaviour of males and females. Experiment I, with two phases, tested two types of substrates: coconut shell powder (CP) and brown 100% acrylic wool (AW), with five male–female…

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Phylogeography of Aphanius fasciatus (Osteichthyes: Aphaniidae) in the Mediterranean Sea, with a focus on its conservation in Cyprus

Phylogeography of Aphanius fasciatus (Osteichthyes: Aphaniidae) in the Mediterranean Sea, with a focus on its conservation in Cyprus

Langeneck, Joachim & Englezou, Christopher. (2021). Hydrobiologia. https://link.springer.com/article/10.1007/s10750-021-04627-5. AbstractAphanius fasciatus is a small fish occurring in Mediterranean brackish environments. In Cyprus it is known from three localities separated by long stretches of coast. The genetic diversity of these populations was evaluated using fragments of two mitochondrial genes. A comparison with the other available data showed that Cyprus populations represent a distinct lineage. The other lineages are concentrated in a relatively small area between the Strait of Sicily and the Western…

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Belly sliders?

Belly sliders?

This article from 2007 is now available in English. Well worth a read. Gas filling of the swimming bladder of south American annual fish larvae(Cyprinodontiformes; Rivulidae)Pablo A. Calviño (1), Felipe Alonso (1) and Jorge Sanjuán de Torres (2)(1) Study Group of Killi Club Argentino (KCA), Independencia 443, Villa Ballester 1653, BuenosAires, Argentina. e-mail: pablocalvin@yahoo.com.ar. (2) SEK, Spanish Killis Society.

A step forward in understanding diapause?

A step forward in understanding diapause?

Embryo ecology: Developmental synchrony and asynchrony in the embryonic development of wild annual fish populations Matej Polačik, Milan Vrtílek, Martin Reichard, Jakub Žák, Radim Blažek, Jason Podrabsky First published: 19 March 2021 This paper is free access https://doi.org/10.1002/ece3.7402

Miniature 1″ Killi described

Miniature 1″ Killi described

Revalidation and Redescription of “Lacustricola” chobensis (Fowler, 1935) and Description of a New Miniature Species of “Lacustricola” from Southern Africa (Cyprinodontiformes: Procatopodidae) Pedro Henrique Negreiros de Bragança, Paul Harvey Skelton, Roger Bills, Denis Tweddle, and Albert Chakona Published in Ichthyology and Herpetology Available to download for free until 21st May https://www.ichthyologyandherpetology.org/ihbjba/ski2020046gq701985wj

Attenborough’s Killifish

Attenborough’s Killifish

Discovered over 20 years ago but only recently described by science. Nothobranchius attenboroughi could become a flagshipspecies for the epic landscape of the Serengeti.

New book for North American Killi fans

New book for North American Killi fans

“A heroic undertaking in its scope. The icthyological community has eagerly awaited the publication of the second volume of this most important work, which provides continent-wide coverage of North America’s freshwater fish fauna. This book will make our jobs easier.”–  Tim M. Berra, Ohio State University

New description and a new species of Nothobranchius

New description and a new species of Nothobranchius

Redescription of the seasonal killifish species Nothobranchius ocellatus and description of a related new species Nothobranchius matanduensis, from eastern Tanzania (Teleostei: Nothobranchiidae) Brian R. Watters, Béla Nagy, Pieter D. W. van der Merwe, Fenton P. D. Cotterill and Dirk U. Bellstedt* Ichthyological Exploration of Freshwaters/IEF-1149/pp. 1-28 Published 26 June 2020 LSID: http://zoobank.org/urn:lsid:zoobank.org:pub:7E606C25-EDD9-4D05-81E3-B368688851CE DOI: http://doi.org/10.23788/IEF-1149 The description of Nothobranchius ocellatus was based on a unique holotype, comprising an immature male, and a photograph of a female. The holotype is apparently lost….

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