Actinopteri (ray-finned fishes) > Lepisosteiformes
(Gars) > Lepisosteidae
Etymology: Lepisosteus: Greek, lepis = scale + Greek, osteon = bone; bony sacled (Ref. 45335); oculatus: From the word oculatus, meaning eyed (referring to the ocellus-like spots on the body) (Ref. 10294).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; brackish; demersal. Subtropical; 12°C - 20°C (Ref. 2060); 52°N - 24°N, 99°W - 74°W
North America: Lake Erie and south Lake Michigan drainages south through Mississippi River basin to Gulf Slope drainages from lower Apalachicola River in Florida to Nueces River in Texas, USA.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 40 - ? cm
Max length : 150 cm TL male/unsexed; (Ref. 57533); common length : 100.0 cm TL male/unsexed; (Ref. 3728); max. published weight: 4.4 kg (Ref. 40637); max. reported age: 18 years (Ref. 12193)
Profusion of dark spots on the body, head and fins. Dark in coloration (Ref. 37032).
Facultative air-breathing (Ref. 126274); Adults occur in quiet, clear pools and backwaters of lowland creeks, small to large rivers, oxbow lakes, swamps and sloughs. Occasionally enter brackish waters. A voracious predator feeding on various kinds of fishes and crustaceans.
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: minor commercial; gamefish: yes
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 0.5781 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00151 - 0.00836), b=3.22 (3.01 - 3.43), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 4.0 ±0.66 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (tm=4; Fec=1,772).
Fishing Vulnerability (Ref. 59153
): High vulnerability (61 of 100).
Nutrients (Ref. 124155
): Calcium = 70 [38, 140] mg/100g ; Iron = 1.04 [0.67, 1.81] mg/100g ; Protein = 17.9 [16.8, 18.9] % ; Omega3 = 0.518 [0.260, 1.022] g/100g ; Selenium = 50.2 [21.6, 109.7] μg/100g ; VitaminA = 8.42 [2.80, 25.19] μg/100g ; Zinc = 0.763 [0.513, 1.166] mg/100g (wet weight);