Coloconger eximia

{{Short description|Species of fish}}

{{Speciesbox

| image =

| genus = Coloconger

| species = eximia

| authority = (Castle, 1967)

| synonyms_ref = [http://www.fishbase.org/Nomenclature/SynonymsList.php?ID=61377&SynCode=150823&GenusName=Coloconger&SpeciesName=eximia Synonyms of Coloconger eximia] at www.fishbase.org.

| synonyms = * Ascomana eximia Castle, 1967

}}

Coloconger eximia is an eel in the family Colocongridae (worm eels/short-tail eels).[http://www.fishbase.org/summary/Coloconger-eximia.html Coloconger eximia] at www.fishbase.org. It was described by Peter Henry John Castle in 1967, originally under the genus Ascomana.Castle, P. H. J., 1967 (Aug.) [ref. 770] Two remarkable eel-larvae from off southern Africa. Special Publication, Department of Ichthyology, Rhodes University No. 1: 1-12, Pls. 1-2. It is a marine, deep-water dwelling eel which is known from Cape Peninsula, South Africa, in the southeastern Atlantic Ocean.

Coloconger eximia has one of the largest known fish larvae, growing to at least 70 cm (27.5 in).{{Cite journal|last=Smith|first=David G.|date=1979|title=Guide to the Leptocephali|url=https://spo.nmfs.noaa.gov/Circulars/CIRC424.pdf|journal=NOAA Technical Report NMFS Circular 424|pages=39|via=National Oceanic and Atmospheric Administration}} Their leptocephalus larvae are elongate, with a long, straight gut, a dorsal fin that originates in the latter half of the body, well-developed pectoral fins, and a long head.