Isorineloricaria spinosissima
Isorineloricaria spinosissima
- Least concern
- Card rarity: Common
- Fish

Isorineloricaria spinosissima, also known as the zucchini catfish, is a species of Loricariidae endemic to the Guayas River basin in western Ecuador. This species grows to a length of 56.5 centimetres (22.2 in) TL.
Classification
- Class
- Actinopterygii
- Order
- Siluriformes
- Family
- Loricariidae
- Genus
- Isorineloricaria