Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Myxini (hagfishes) > Myxiniformes
(Hagfishes) > Myxinidae
(Hagfishes) > Rubicundinae
Etymology: lakeside: Named for the Lakeside Foundation of California; noun in apposition.. More on author: McCosker.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range ? - 762 m (Ref. 55621). Deep-water
Southeast Pacific: Galapagos Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 27.5 cm TL (female)
Morphology | Morphometrics
Diagnosis: Body coloration pinkish-orange. Gill pouches 5 pairs. Three-cusp multicusps in anterior and posterior rows; 6 unicusps in each anterior and posterior rows; total cusps 36. palatine tooth triangular. Tail pores 19; total pores 88 (Ref. 55621).
Size of 27.5 cm TL is that of an immature female. Collected with a galvanized metal minnow trap where the bottom was nearly flat, covered with fine grey sediment and occasional lava boulders (ca. 0.5 in diameter) in the vicinity of other large lava reefs (Ref. 55621). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Mincarone, M.M. and J.E. McCosker, 2004. Eptatretus lakeside sp. nov., a new species of five-gilled hagfish (Myxinidae) from the Galápagos Islands. Proc. Calif. Acad. Sci. 55(6):162-168. (Ref. 55621)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.7 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Vulnerability (Ref. 59153
): Low vulnerability (18 of 100) .