Common names from other countries
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Evorthodus: Greek, eu = good + Greek, ortho = right + Greek, odous = teeth (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino; acqua dolce; salmastro demersale; amfidromo (Ref. 46888). Subtropical; 20°C - 30°C (Ref. 2059); 40°N - 7°N
Western Atlantic: Chesapeake Bay, USA and northern Gulf of Mexico to northern South America; absent in the Bahamas, but present in Greater Antilles.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL maschio/sesso non determinato; (Ref. 26340)
Spine dorsali (totale) : 6; Raggi dorsali molli (totale) : 11; Spine anali: 0; Raggi anali molli: 12. Caudal fin large and bluntly pointed with dark lyre-shaped mark on base consisting of 2 dark spots separated by pale central area. Snout very short, mouth small and inferior. Adults have first 3 or 4 dorsal fin spines elongate, reaching from third to sixth ray of second dorsal in females, to base of caudal peduncle in males. Predorsal area and top of head scaled as far forward as eye (Ref. 26938).
Occur mainly in muddy backwaters of bays and estuaries, often in foul waters. Also found on muddy bottoms of fresh water (Ref. 13628).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Benthic spawner.
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
115969): 23.5 - 28.2, mean 27.1 (based on 636 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00442 - 0.02163), b=3.05 (2.86 - 3.24), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).