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Hi guys,

Would this be otocinclus flexilis? It certainly does not look like the others and the larger one is about 5-6 cm long.



Heard that O. flexilis grows up to a maximum of 10 cm. At least 7 cm on the average.

Any comments/advice is appreciated.

Thanks!

Cheers,

Kind of hard to tell, but doesn't look like it. Do you have a good side view shot of the fish?

Hi Silurus,

Will try to get a side profile for easier ID.

Thanks!

Cheers,

here's a side shot of another fish from the same shipment as benny's otos.

That is <i>O. flexilis</i> (the question now remains as to whether or not benny's fish are the same species).
<i>Otocinclus flexilis</i> is one of the largest species of <i>Otocinclus</i>, but it doesn't reach the size as benny stated. They max out at 55 mm SL. Larger "<i>Otocinclus</i>" are probably other hypoptopomatine genera (such as <i>Hypoptopoma</i>).

Larger "Otocinclus" are probably other hypoptopomatine genera (such as Hypoptopoma).

Isbrücker & Seidel erected the genus Macrotocinclus for the species O. flexilis and O. affinis.

Greetings... Achim

Ok. Got the side profile.



So this species is not otocinclus, but macrotocinclus?

Cheers,