| Home
Table 41. Summary of other juvenile-or-older silver hake
diet studies for the coastal Middle Atlantic Bight. (Major prey taxa ranked
in relative order of importance by: mean percent frequency of occurrence
(FO), mean percent contribution to total stomach content weight (TW), mean
percent contribution to total stomach content dry weight (TDW), and an
index of relative importance (IRI), as available from each source.) |
|
Source |
Study Area |
Year(s)
(month(s), season(s),
and/or frequency) |
No. Examined
(size [TL cm]) or
age range, mean size) |
Primary Prey in Order of Importance
by FO, IRI, TDW, TN, TV, and/or TW |
| Smith (1950) |
Block Island Sound |
1948-49 (seasonally) |
Unknown |
TW -- Nekton (fish and squid), Crangon,
and Leptocheirus pinguis. |
| Richards (1963) |
Long Island Sound |
1956-57 (seasonally) |
Sand station - 111 (7-21) |
FO -- Neomysis, Crangon,
L. pinguis, and fish (bay anchovy, sand lance, and juvenile silver
hake). |
| Mud station - 165 (6-22) |
FO -- Copepods, Neomysis, L. pinguis,
Crangon, squid, and bay anchovy. |
| Schaefer (1960) |
Long Branch, NJ, pier |
1957-58 (Dec-Jan) |
137 (~23-43) |
FO -- Amphipods, fish, Crangon, blueback
herring, Menidia, and mysids.
TV -- Blueback herring, Menidia, juvenile
silver hake, fish, and Crangon. |
| Schaefer (1960) |
New York Bight apex |
1958 (Feb-May) |
201 (~23-43) |
FO -- Crangon, juvenile silver hake, fish, and
mysids.
TV -- Juvenile silver hake, Crangon, Loligo,
juvenile red hake, blueback herring, and fish. |
| Steimle (1985) |
New York Bight apex |
1968-70 (summer) |
235 (7-40, mean = 27) |
FO -- Neomysis, Crangon,
and various fish. |
| Vinogradov (1984) |
Southern New England |
1968-74 (unreported) |
3,233 (unreported) |
TW -- Juvenile silver hake, Atlantic mackerel,
red hake, and squid. |
| Bowman et al. (1987) |
Southern New England |
1973-76 (spring/fall) |
580 (<10) |
TW -- Crustaceans (Crangon, Dichelopandalus
leptocerus, Neomysis, and amphipods) and fish (sand lance
and juvenile silver hake). |
| (11-20) |
TW -- Crangon, D. leptocerus,
euphausids, Neomysis, juvenile silver hake, and sand lance. |
| Sedberry (1983) |
New York Bight shelf |
1976-77 (seasonally) |
334 (1-15) |
IRI -- Parathemisto gaudichaudi, decapod
crustaceans, and fish (juvenile red hake and sand lance). |
| 210 (15-25) |
IRI -- Decapod crustaceans, fish, and P. gaudichaudi. |
| Steimle and Terranova (1991) |
New York Bight apex |
1982-85 (seasonally) |
215 (not noted) |
FO -- Crangon, mysids, fish, D.
leptocerus, juvenile silver hake, and sand lance. |
| Steimle (unpubl. data) |
New York Bight apex |
1986-87 (monthly) |
766 (9.0-26.2) |
FO -- Crangon, D. leptocerus,
mysids, fish, juvenile silver hake, and sand lance.
TV -- Crangon, fish, D. leptocerus,
decapod crustaceans, juvenile silver hake, and sand lance. |
|