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Nalolo Blenny
Ecsenius nalolo
The Nalolo Blenny is a compact, reef-safe Ecsenius blenny with attractive patterning and the practical algae-grazing habits that make the genus so beloved. Affordable at $25.99 and well-suited to nano and medium reef systems.
Quick Care Overview
| Scientific Name | Ecsenius nalolo |
|---|---|
| Temperament | Semi-aggressive |
| Reef Safe | ✅ Yes |
| Minimum Tank Size | 20–30 gallons |
| Diet | Herbivore — microalgae, nori, spirulina |
| Care Level | Easy |
| Adult Size | 2.5–3.5 inches (6–9 cm) |
Why the Nalolo Blenny Is Popular
The Nalolo Blenny shares all the virtues of the Ecsenius genus — reef safe, algae grazing, active perching behavior, and expressive eyes — in a slightly less common package than the Bicolor or Tailspot. Its compact adult size makes it practical for hobbyists with tanks in the 20–30 gallon range, and at $25.99 it offers excellent value.
Best Tank Setup
20–30+ gallon mature reef or FOWLR with live rock providing grazing surfaces, ledges, and crevices. Nori clip access, stable parameters, and single specimen keeping are the primary requirements. Works well in small to medium reef communities.
Feeding Guide
Clip nori sheets daily and supplement with spirulina flakes and algae-based pellets. In mature tanks with established microalgae, natural grazing is continuous. Supplement proactively in lower-algae systems — even small blennies have significant appetites.
Compatibility
Semi-aggressive toward other blennies — keep one per tank. Compatible with dissimilar reef fish, corals, shrimp, crabs, and snails. Excellent for small to medium reef communities.
Common Mistakes
Pairing with other Ecsenius: Territorial disputes are predictable. Insufficient algae supplementation: Clean tanks need daily nori. Expecting it to stay hidden: Ecsenius blennies are active perchers — they’ll be visible and entertaining.
Is This Fish Right for Your Aquarium?
An excellent and affordable Ecsenius blenny for any reef keeper with a 20–30+ gallon system. The Nalolo offers all the Ecsenius charm at a price point that makes it one of the best-value blennies in the hobby.
🔗 Browse all blennies · All saltwater fish · Reef-safe fish guide
Ready to Add the Nalolo Blenny to Your Reef?
Frequently Asked Questions
Is the Nalolo Blenny reef safe?
Yes — grazes microalgae and will not harm corals or invertebrates.
What does it eat?
Primarily herbivorous — microalgae, nori, spirulina flakes, and algae-based pellets.
How big does it get?
Adults reach approximately 2.5–3.5 inches (6–9 cm). 20–30 gallon comfortable minimum.
Is it rare?
Moderately uncommon — appears less frequently than Bicolor or Tailspot Blennies, adding some collector appeal.
Is it easy to keep?
Yes — hardy, reef safe, and straightforward to feed with supplemental algae. One of the easiest blennies available.