M Killifish
The "M" Killifish
Species List

Epiplatys Macrostigma

Epiplatys Macrostigma



Rivulus (Laimosemion) mahdiaensis

Rivulus mahdiaensis

Discovered in 1995 by W. Suijker and Y. Suijker-Jansen who also found another location 1997 with F. and M. Vermeulen; no other locations have been found since. Described by W. Suijker and G. Collier in 2006. Unusually low number of chromosomes with a rather large pair of arcocentric elements (shown with arrows). Uneven sex ratios are common, not difficult otherwise. From cool acidic soft "black" water similar to African killifish blackwater biotopes for example, Diopteronspecies.


Funduls majalis

Funduls majalis


Nothobranchius makondorum

Nothobranchius makondorum


Aphyosemion maculatum

Aphyosemion maculatum


Fundulopanchax marmoratus

Fundulopanchax (Pauciradius) marmoratus


Rivulus (Laimosemion) mabura

Rivulus mabura


Hypsolebias macaubensis

Hypsolebias macaubensis


Rachovia maculipinnis

Rachovia maculipinnis


Anablepsoides micropus

Anablepsoides micropus


Cyprinodon macularius

Cyprinodon macularius


Pantanodon madagascariensis

Pantanodon madagascariensis


Platypanchax modestus

Platypanchax modestus


Aphanius maeandricus

Aphanius maeandricus


Hypsolebias mediopapillatus

Hypsolebias mediopapillatus


Rivulus mejiai

Rivulus mejiai


Cyprinodon meeki

Cyprinodon meeki


Paraphanius mento

Paraphanius mento


Nothobranchius melanospilus

Nothobranchius melanospilus


Epiplatys mesogramma

Epiplatys mesogramma


Lacustricola margaritatus

Lacustricola margaritatus

Lacustricola margaritatus, a new species inhabiting small streams and swamps in the Lake Victoria basin in north-western Tanzania and southern Uganda, and the Lake Kyoga basin in central Uganda, is described. Lacustricola margaritatus is a small species with a moderately deep body, moderate dimorphism and pronounced dichromatism. It is distinguished from all other Procatopodidae by the following unique combination of characters: live male body colour pattern with vertically-elongated iridescent light blue patches at scale centres, forming a striped appearance of dotted longitudinal lines on the flanks, particularly evident in the two or three series below the mid-longitudinal line; male having deeply coloured unpaired fins with orange-brown in the proximal and median parts and a narrow black distal band; male with a yellow base along the pectoral fin; female with dark grey scale margins and dark grey patches on scales along mid-longitudinal series creating a narrow dark grey stripe; both sexes showing inconspicuous postopercular blotch; and in both sexes, the cephalic sensory system is entirely situated in open grooves at all levels. The new species has previously often been misidentified as L. pumilus, originally described as inhabiting the Lake Tanganyika basin in north-eastern Zambia, or 'L.' centralis, from the Lake Rukwa basin in south-western Tanzania. Lacustricola margaritatus differs from the above two species by morphometric and meristic characters, body and fin colouration, and in arrangement of the cephalic sensory system.


Cynodonichthys magdalenae

Cynodonichthys magdalenae

The highland form has an orange band in the tail, the lowland form has a white bar in the tail.


Hypsolebias magnificus

Hypsolebias magnificus


Hypsolebias marginatus

Hypsolebias marginatus


Simpsonichthys margaritatus

Simpsonichthys margaritatus


Nothobranchius (N.mic) microlepis

Nothobranchius (N.mic) microlepis



Leptolebias minimus

Notholebias minimus

Formerly:
Cynopeocelius ladigesi
Cynloebias minimus
Leptolebias minimus


Aphyosemion microphtalmum

Aphyosemion microphtalmum


Fundulopanchax mirabilis

Fundulopanchax mirabilis


Anatolichthys meridionalis

Anatolichthys meridionalis


Profundulus  mixtlanensis

Profundulus mixtlanensis


Nothobranchius mkuziensis

Nothobranchius mkuziensis


Aphyosemion malumbresi

Aphyosemion malumbresi


Aphyosemion melanogaster

Aphyosemion melanogaster


Cynodonichthys = MGD milesii

Cynodonichthys milesii = MGD


Cyprinodon salinus milleri

Cyprinodon salinus milleri


Cynopoecilus melanotaenia

Cynopoecilus melanotaenia


 Aphyosemion  melinoeides

Aphyosemion melinoeides


Austrolebias melanoorus

Austrolebias melanoorus


Lacustricola maculatus

Lacustricola maculatus


Plataplochilus miltotaenia

Plataplochilus miltotaenia


Nothobranchius milvertzi

Nothobranchius milvertzi


Nothobranchius moameensis

Nothobranchius moameensis


Leptolebias marmoratus

Leptolebias marmoratus


Plataplochilus mimus

Plataplochilus mimus


Aphyosemion mandoroense

Aphyosemion mandoroense


Aphyosemion mengilai

Aphyosemion mengilai


Cynodonichthys monikae

Cynodonichthys monikae


Fundulopanchax moensis

Fundulopanchax moensis


Cyprinodon nevadensis mionectes

Cyprinodon nevadensis mionectes


Hylopanchax moke

Hylopanchax moke


Epiplatys dageti monroviae

Epiplatys dageti monroviae


Callopanchax monroviae

Callopanchax monroviae


Austrolebias monstrosus

Austrolebias monstrosus


Cynopoecilus multipapaillatus

Cynopoecilus multipapaillatus


Aphyosemion marginatum

Aphyosemion marginatum


Rivulus (Atlantirivulus) maricensis

Rivulus maricensis

Atlantirivulus maricensis: UFRJ 9822, holotype, male, 33.4 mm SL: Brazil: Rio de Janeiro: Maricá.


Rivulus (Kryptolebias) marmoratus

Rivulus marmoratus

(formerly 'Rivulus marmoratus')


Empetrichthys merriami

Empetrichthys merriami


Lacustricola moeruensis

Lacustricola moeruensis


Hypsolebias martinsi

Hypsolebias martinsi


Hylopanchax multisquamatus

Hylopanchax multisquamatus


Nothobranchius malaissei "Kabiasha CD 16/18"

Nothobranchius malaissei


Nothobranchius matanduensis

Nothobranchius matanduensis


Paraphanius mentoides

Paraphanius mentoides


Micropanchax macrophthalmus

Micropanchax macrophthalmus


Rivulus (Cynodonichthys) montium

Rivulus montium

was, Rivulus.


MTN

Oryzias matanensis


Anatolichthys marassantensis

Anatolichthys marassantensis


Lacustricola matthesi

Lacustricola matthesi



Austrolebias minuano

Austrolebias minuano


Aphyosemion musafirii

Aphyosemion musafirii


Lacustricola myaposae

Lacustricola myaposae


Nimbapanchax melanopterygius

Nimbapanchax melanopterygius


Austrofundulus myersi

Austrofundulus myersi


Simsonichthys myersi

Xenurolebias myersi


Poropanchax myersi

Poropanchax myersi


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Copyright 2022
Richard J. Sexton