Arenal rivulus
Cynodonichthys fuscolineatus
Embed This Widget
Add the script tag and a data attribute to embed this widget.
<script src="https://cdn.jsdelivr.net/npm/fishfyi-embed@1/dist/embed.min.js" defer></script>
<div data-fishfyi="fish" data-slug="arenal-rivulus"></div>Embed via iframe for maximum compatibility.
<iframe src="https://fishfyi.com/iframe/fish/arenal-rivulus/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://fishfyi.com/fish/arenal-rivulus/Add a dynamic SVG badge to your README or docs.
[](https://fishfyi.com/fish/arenal-rivulus/)Use the native HTML custom element.
<script src="https://cdn.jsdelivr.net/npm/fishfyi-embed@1/dist/embed.min.js" defer></script>
<fishfyi-fish slug="arenal-rivulus"></fishfyi-fish>
Not Evaluated
Freshwater
Max Length
7.5 cm
Family
Physical Description
| Measurement | Value |
|---|---|
| Maximum Length | 7.5 cm |
Habitat & Distribution
Water Type
Freshwater
Taxonomy
| Order | Cyprinodontiformes (Live-bearers and killifish) |
| Family | Rivulidae (Neotropical Killifish) |
| Species | Cynodonichthys fuscolineatus |
Frequently Asked Questions
How big does Arenal rivulus get?
Arenal rivulus can grow up to 7.5 cm long.
What family does Arenal rivulus belong to?
Arenal rivulus (Cynodonichthys fuscolineatus) belongs to the family Rivulidae (Neotropical Killifish) in the order Cyprinodontiformes (Live-bearers and killifish).
Similar Fish
Other species in the Rivulidae family
Agila-Bachling
Laimosemion agilae
NE
Freshwater
Anablepsoides amanan
Anablepsoides amanan
NE
Freshwater
Anablepsoides bibosi
Anablepsoides bibosi
NE
Freshwater
Anablepsoides bondi
Anablepsoides bondi
NE
Freshwater
Anablepsoides cajariensis
Anablepsoides cajariensis
NE
Freshwater
Anablepsoides caurae
Anablepsoides caurae
NE
Freshwater
Anablepsoides cearensis
Anablepsoides cearensis
NE
Freshwater
Anablepsoides chapare
Anablepsoides chapare
NE
Freshwater
External Databases
Explore More
Fish Rankings
Discover the largest, heaviest, and most exciting fish species
Nature FYI Family
Explore more wildlife and biodiversity encyclopedias