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NFC: Re: Fundulus chrysotus (fwd)
J. L. Wiegert
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---------- Forwarded message ----------
Date: Wed, 4 Nov 1998 15:07:51 -0600
From: B.G. Granier <bgkajun at worldnet_att.net>
To: nfc at actwin_com
Subject: Re: Fundulus chrysotus
The species Fundulus chrysotus (Golden-ear killifish) is found in many
>>states of the Southeastern United States. This fish is among the most
>>attractive native killifishes that I have collected and are quite easily
>>kept and spawned!
>>They are topminnows, meaning that they inhabit the first one or two inches
>>of the water that they are found in and therefore are
>>quite adaptable to aquarium life. They typically are found in shallow to
>>moderately deep areas of lakes, sloughs, bayous and even ditches in my
>>of Louisiana, as long as there is sufficient weedy habitat to support
>>They aren't found in any areas that are devoid of floatant vegetation.
>>The adults reach lengths of 3 to almost 4 inches in length and the males
>>particularly striking with the spattering of red over the rear half of the
>>body, and extending into the caudal fin, combined with a multi-hued body
>>coloration of blue to violet and green underlying the red dotting effect.
>>The females are unique to the females of any killifish species, in that
>>have golden (metal-flake) spots over a lime-green, translucent body that
>>quite attractive in itself! Both sexes have a golden bar on the gill
>>which is the identifying mark of this species, hence the "golden-ear"
>>killifish. (Most other females of the killifish genera are quite drab in
>>comparison to female F. chrysotus!)
>>These fish are easily kept in aquaria and are easily spawned if the sexes
>>are at first separated and fully conditioned with flake, live and/or
>>foods like brine shrimp, bloodworms, mosquito larvae, etc. Then add the
>>females, one or two at a time into the male's tank and keep the tank
>>well-lighted and the fish well fed. If you are using the natural method of
>>reproduction then the tank must be heavily vegetated with floating plants
>>such as hornwort, water sprite and duck-weed. This gives the young
>>protection from the adults once they have hatched and you should check the
>>tank every day for a little pair of eyes that are hiding in the vegetation
>>and rapidly remove the fry to a growing-out container, as the adults will
>>eat them if given the chance!
>>If you wish to use a hands-on approach, then use a nylon-yarn mop that is
>>attached to a cork. Add one or two females to the breeding tank with one
>>male and then check the spawning mop daily for any eggs. Keep the adults
>>well-fed and use plenty of lighting. Use a plastic container (an oleo tub,
>>for example) for an egg incubator, filling it half-full with the adult's
>>tank water. Gently pick the fairly large and firm eggs from the strands of
>>the nylon mop and place into the container. Store the container in a dark
>>place like the top shelf of a closet and after 12 days check the container
>>for any fy that may have hatched.
>>The recommended first food is newly hatched brine shrimp, the fry have
>>adequately equipped appetites and will grow quite rapidly until they can
>>graduated into larger foods! Fundulus chrysotus are generally sexable at
>>months and reach full maturity at 12 months of age.
>>This is the first killifish that I ever collected in my youth and Fundulus
>>chrysotus are my most favorite native killies! They are the essence of
>>native fish-keeping to me and should be enjoyed by everyone!
>>You'll be amazed by the size of their eggs and the ease of maintenance,
>>Foresight is priceless, hindsight is worthless!
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