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Biotodoma id

This topic contains 1 reply, has 2 voices, and was last updated by  Matt 6 years, 1 month ago.

Viewing 8 posts - 1 through 8 (of 8 total)
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  • #302225

    Matt
    Keymaster

    These pics are labelled as B. cupido but they look a little different to the ‘standard’ variant?Biotodoma-cupido-010.jpgBiotodoma-cupido-011.jpgBiotodoma-cupido-013.jpg

    #348067

    coelacanth
    Participant

    There are undoubtedly several species lumped under cupido, this is one of them. The size and position of the blotch varies massively, I’ve seen pictures of fish that had a Nike “swishtika” along the back. Got a location? Some Peruvian ones look like this.

     

    One of my favourites.

    #348075

    Matt
    Keymaster

    Cheers Pete, let me try and get one. Do you think it warrants a separate page or should I put it in with B. cupido as a cf.?

    #348081

    coelacanth
    Participant

    Has to go in with cupido under the current state of knowledge, maybe as cf., not sure where the type specimens were collected from. 

    #347969

    nuchal man
    Participant

    I’d add them as cf. The genus is due for a revision and there is a fair bit of variation. The type for B. cupido I believe is from the Rio Negro.

    #348082

    Matt
    Keymaster

    The type series is from the rios Negro and Guaporé, and the description states clearly that the specimens came from Mato Grosso so maybe the former doesn’t refer to the well-known rio Negro in Amazonas, but this municipality in Mato Grosso do Sul, next to the Pantanal?

    Do many commercial collections take place down there?

    #313944

    coelacanth
    Participant

    Be interesting to find out for sure, as I’d say that makes it unlikely I’ve ever even seen true B. cupido, that’s waaay to the South of the suggested location for any fish I’ve ever seen in the flesh

    Most B. cf. cupido I’ve ever seen were imported from Peru, in the past a few used to come in from Brazil but these were always more expensive (and better looking to my eyes).

    #347569

    Matt
    Keymaster

    The fish in the photos were apparently exported from Santarém…

    Here’s the extract from Heckel’s description, which seems to say the fish were collected from the rios Negro and Guaporé and associated swamps/marshes in Mato Grosso. Are any German-speakers able to confirm?

    B.-cupido-des..JPG

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