jeniguana means the cottonwick fish, Haemulon melanurum. Lexicurio rates it Sui generis — a strength score of 86 out of 100.
Etymology
Said by Century to be from Cuban Spanish [Term?] "from a native West Indian name".
noun
- The cottonwick fish, Haemulon melanurum.“Haemulon melanurum, the jeniguana, is known from the West Indies and south to Brazil. It is rather common at Havana, but was not found by us in Porto Rico. It grows to a foot in length and is a good food-fish.”