小型異型是指體長6cm或以下的異型品種, 牠們大部份歸納在 Otocinclus, Parotocinclus 及 Nannoptopoma 屬之內, 草食性不強, 適合在水草缸中飼養, 對水質變化非常敏感, 飼養上必須留意, 當養穩後是屬於體健耐養的種類
 |
Otocinclus macrospilus
|
 |
Otocinclus Vittatus
|
 |
Otocinclo affinis Otocinclus |
 |
Otocinclus cocama
|
 |
Nannoptopoma sp. "Peru" |
 |
Parotocinclus cf. britskii |
 |
Parotocinclus maculicauda |
 |
Parotocinclus jumbo |
 |
Parotocinclus cf. eppelyi
|