頂器脂鯉科（学名：Crenuchidae），又稱鋸唇脂鯉科，為輻鰭魚綱脂鯉目的其一科。
- 砂脂鯉 Ammocryptocharax elegans
- 磚紅砂脂鯉 Ammocryptocharax lateralis
- 袖珍砂脂鯉 Ammocryptocharax minutus
- 文頓砂脂鯉 Ammocryptocharax vintonae
- 柔脂鯉 Leptocharacidium omospilus
- 金輻黑身脂鯉 Melanocharacidium auroradiatum
- 似鳚黑身脂鯉 Melanocharacidium blennioides
- 側扁黑身脂鯉 Melanocharacidium compressus
- 巴西黑身脂鯉 Melanocharacidium depressum
- 亞馬遜黑身脂鯉 Melanocharacidium dispilomma
- 暗鰭黑身脂鯉 Melanocharacidium melanopteron
- 全黑身脂鯉 Melanocharacidium nigrum
- 大胸黑身脂鯉 Melanocharacidium pectorale
- 皇黑身脂鯉 Melanocharacidium rex
- 神秘牙脂鯉 Odontocharacidium aphanes
- 博氏雜色脂鯉 Poecilocharax bovalii
- Poecilocharax callipterus Ohara, Pastana & Camelier, 2022[2]
- Poecilocharax rhizophilus
- 韋氏雜色脂鯉 Poecilocharax weitzmani
Willian M. Ohara, Murilo Pastana and Priscila Camelier. 2022. The Monophyly of Crenuchinae and Description of Two New Species of Poecilocharax (Teleostei: Crenuchidae) based on Phenotypic and Genotypic Evidence. Zoological Journal of the Linnean Society. zlac026. DOI: 10.1093/zoolinnean/zlac026
