LA
Attractive paddle-shaped pectorals on the freshwater stonefish, but beware
the dorsal fin.
LA
Whatta cutie. Reminds one a bit of Oscar the grouch.
LA
Three in a pile = three times the cuteness.
Name:
Freshwater (really brackish water) stonefish, aka freshwater lionfish, freshwater toadfish,
and freshwater frogfish belong to a curious group known as toad fish.
Probably the “freshwater” in their moniker is to distinguish them from
their saltwater cousins. We’ll call them freshwater stonefish because
they try to look like a harmless lumpy stone until a swallowable fish
swims by.
LA
"What? Me venomous?"
Venomous?
All of the toadfish cousins are venomous to some extent. We do not
recommend the finger test to find out just how venomous these rascals
are. Experience is the best teacher, but it’s also the most
painful and sometimes the most expensive. Let’s just say you’d
best not touch your stonefish (and net him carefully).
LA
Watch out for that dorsal fin.
LA
This stonefish appears to have a problem.
Origins: You
can find (if you look very closely) freshwater stonefish in many countries
in the Indo-Pacific rim. They’re just one more reason not to go
wading barefooted. In the tropics, they fear stepping on corals, sea
urchins, stingrays, and freshwater stonefish. In Des Moines we fear
stepping on broken glass and bullheads.
Brackish Water:
Freshwater stonefish or
whatever they call them in your neck of the woods come from tropical areas
where rivers flow into the ocean (estuaries). This means they live
in brackish water. When the tide goes out, they live in
freshwater. When the tide comes in, they live in river water mixed
with ocean water (brackish water). They are flexible little beasts.
LA
No, this is not ich on a freshwater stonefish.
LA
Maybe sand is not the best substrate. His tank mate did this to him.
LA
In a "natural" aquarium freshwater stonefish blend into the
woodwork.
Substrate: Sand might not be the best substrate.
Freshwater stonefish show up well over white sand. However, they
kick up the sand a bit and it settles on them. If
agitated, they really kick up a lot of sand. On the other hand, they
blend into natural gravels. Experiment with different substrates
until you find one that appeals to you.
LA
Six-inch freshwater stonefish squinching into a four-inch clay pot.
LA
Three-inch stonefish not needing to squinch a bit.
LA
Two-inch stonefish skulking in plain sight.
LA
Sometimes you need to pester them a little to get them front and center.
Skulkers:
Freshwater stonefish skulk 98% of the time. In some cases they get
behind bulky objects in their tank. In others, they wedge themselves
into a corner or cave. Big guys sometimes just loaf on the bottom
looking like a big lumpy stone. Thus the name.
LA
"Who you calling a toad?"
LA
Yes, freshwater stonefish can walk, but they prefer to take a cab.
Walkers: Upon
occasion your freshwater stonefish will stomp around on his specialized
fins. He’s about as graceful as a toad. Thus the “toadfish” name as
the Ontarians in Ontario call them, eh.
LA
Your freshwater stonefish prefers to lurk the day away.
Nocturnal:
Some freshwater stonefish will zip out and inhale their lunch as soon as
you drop in another smaller critter with fins. Most prefer to wait
for the cover of darkness to dine at a more fashionable hour. GIGO
(goldfish in, goldfish out) overnight.
Breeding.
Probably not going to happen. Although, Travis’s toadfish (as he
calls it, because he’s an Ontarian and can’t help himself) did lay eggs.
One of mine laid a few yellow (possibly immature) eggs. And Kara Zeinner from Indianapolis also
reported white egg production (10). If I recall correctly, stonefish scatter
their eggs. No fry reports yet.
LA
"Here's looking at you, kid."
Last Words: Take
a look at a freshwater stonefish if you like amusing predators.
LA
And here’s some extra
outtakes in the meantime ...
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