Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Echeneidae
Etymology: Remora: Latin, remora = delay, hindrance (1567) (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; pelagic-oceanic; oceanodromous (Ref. 51243). Subtropical
Worldwide in warm seas. Western Atlantic: Nova Scotia, Canada to Brazil. Eastern Central Atlantic: Madeira Island (Ref. 74541).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm TL male/unsexed; (Ref. 55763); common length : 25.0 cm TL male/unsexed; (Ref. 55763)
soft rays: 25 - 34. Body cylindrical and elongate; possessing an oblong cephalic disk with 14 to 17 transverse laminae; cranium depressed (supporting cephalic disk); dorsal fin with 27 to 44 rays; first gill arch with fewer than 21 gill rakers; body entirely white to pale blue (Ref. 55763).
Found on the body and inside gill chamber of billfishes and swordfishes, rarely on any other fishes (Ref. 2850); also in the gill cavities and mouths of sharks (Ref. 5951).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 7.9 - 28.1, mean 23.4 (based on 1998 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5352 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00117 - 0.00676), b=3.14 (2.93 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec < 10,000).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (28 of 100) .