Scaphirhynchus platorynchus

Author: Fabrice Téletchéa
License: All rights reserved

Traits detail

Trait id	Trait	Primary data	Secondary Data	References
5	Incubation time	4	4.0 days	Colombo, 2007
2	Egg size after water-hardening	2.35-2.452	2.4 mm	Hamel, 2015
4	Egg adhesiveness	Adhesive	Adhesive	Bone, 2008
3	Egg Buoyancy	Demersal	Demersal	Bone, 2008
6	Temperature for incubation	17-18	17.5 °C	Kappenman, 2013
7	Degree-days for incubation	24; 3	72.0 °C * day	Korschgen, 2007
7	Degree-days for incubation	20; 4	80.0 °C * day	Korschgen, 2007
6	Temperature for incubation	20-24	22.0 °C	Korschgen, 2007
7	Degree-days for incubation	16.5; 7-10	140.25 °C * day	Snyder, 2002
7	Degree-days for incubation	13; 11	143.0 °C * day	Snyder, 2002

Trait id	Trait	Primary Data	Secondary Data	References
10	Reaction to light	prolarvae are photonegative	Photophobic	Colombo, 2007
14	Onset of exogeneous feeding	8 days post-hatch at 20 C	8.0 °C * day	Colombo, 2007
13	Full yolk-sac resorption	7 days post-hatch at 20 C	7.0 °C * day	Colombo, 2007
8	Initial larval size	mean 14, range 14-16	15.0 mm	Kynard and Horgran, 2002
14	Onset of exogeneous feeding	development into larvae (defined as first feeding interval) happens at 72-78 Degree-Days on day 4	75.0 °C * day	Kynard and Horgran, 2002
10	Reaction to light	photopositive 1-10 days, photonegative after 11 days	Photopositive	Kynard and Horgran, 2002
9	Larvae behaviour	diurnal migration 0-4 days; switch to nocturnal later in development	Demersal	Kynard and Horgran, 2002
13	Full yolk-sac resorption	all yolk absorbed at 11 days post-hatch	11.0 °C * day	Snyder, 2002
9	Larvae behaviour	transition from drifting to benthic life stage initiated at 6 days post hatch and at a mean length of 15.6mm	Demersal	Braaten, 2008
14	Onset of exogeneous feeding	4 days post hatch (72-78 Degree-Days)	75.0 °C * day	Kynard and Horgran, 2002
8	Initial larval size	7-9	8.0 mm	Snyder, 2002
13	Full yolk-sac resorption	11 days at mean monthly temps of 19-21 C	20.0 °C * day	Snyder, 2002